Crimp Caps
11mm Blue Seal, PTFE/Natural Red Rubber Lined 5140-11XB
5140-11XB
11mm Blue Seal, PTFE/Natural Red Rubber Lined
11mm Blue Seal, PTFE/Natural Red Rubber Lined 5140-11XB(100)
5140-11XB(100)
11mm Blue Seal, PTFE/Natural Red Rubber Lined
![Picture of 11mm Clear Poly Crimp™ Seal, PTFE/Butyl Rubber Lined [Patented] 5540-11](https://microanalytix.co.nz/images/thumbs/0042305_11mm-clear-poly-crimp-seal-ptfebutyl-rubber-lined-patented-5540-11_300.png "Show details for 11mm Clear Poly Crimp™ Seal, PTFE/Butyl Rubber Lined [Patented] 5540-11")
11mm Clear Poly Crimp™ Seal, PTFE/Butyl Rubber Lined [Patented] 5540-11
5540-11
11mm Clear Poly Crimp™ Seal, PTFE/Butyl Rubber Lined [Patented]
![Picture of 11mm Clear Poly Crimp™ Seal, PTFE/Butyl Rubber Lined [Patented] 5540-11(100)](https://microanalytix.co.nz/images/thumbs/0042304_11mm-clear-poly-crimp-seal-ptfebutyl-rubber-lined-patented-5540-11100_300.png "Show details for 11mm Clear Poly Crimp™ Seal, PTFE/Butyl Rubber Lined [Patented] 5540-11(100)")
11mm Clear Poly Crimp™ Seal, PTFE/Butyl Rubber Lined [Patented] 5540-11(100)
5540-11(100)
11mm Clear Poly Crimp™ Seal, PTFE/Butyl Rubber Lined [Patented]
3 in stock![Picture of 11mm Clear Poly Crimp™ Seal, PTFE/Butyl Rubber Lined [Patented] MSVC5540-11(100)](https://microanalytix.co.nz/images/thumbs/0042306_11mm-clear-poly-crimp-seal-ptfebutyl-rubber-lined-patented-msvc5540-11100_300.png "Show details for 11mm Clear Poly Crimp™ Seal, PTFE/Butyl Rubber Lined [Patented] MSVC5540-11(100)")
11mm Clear Poly Crimp™ Seal, PTFE/Butyl Rubber Lined [Patented] MSVC5540-11(100)
MSVC5540-11(100)
11mm Clear Poly Crimp™ Seal, PTFE/Butyl Rubber Lined [Patented]
11mm Crimp Gold Magnetic Metal cap Red PTFE/white Sil septa MSVC11M
MSVC11M
11mm Crimp Gold Magnetic Metal cap Red PTFE/white Sil septa
50 in stock
11mm Green Seal, PTFE/Red Rubber Lined, MSVC5140-11G(100)
MSVC5140-11G(100)
11mm Green Seal, PTFE/Red Rubber LinedMSVC5140-11G(100)
1 in stock
11mm Red Seal, PTFE/Natural Red Rubber Lined 5140-11XR
5140-11XR
11mm Red Seal, PTFE/Natural Red Rubber Lined
11mm Red Seal, PTFE/Red Rubber Lined MSVC5140-11R(100)
MSVC5140-11R(100)
11mm Red Seal, PTFE/Red Rubber Lined MSVC5140-11R(100)
1 in stock
11mm Red Seal, PTFE/Silicone Lined MSVC5150-11R(100)
MSVC5150-11R(100)
11mm Red Seal, PTFE/Silicone Lined MSVC5150-11R(100)
1 in stock
11mm Silver Seal , PTFE/Natural Red Rubber Lined 5140-11X
5140-11X
11mm Silver Seal , PTFE/Natural Red Rubber Lined
11mm Silver Seal , PTFE/Natural Red Rubber Lined 5140-11X(100)
5140-11X(100)
11mm Silver Seal , PTFE/Natural Red Rubber Lined
35 in stock
11mm Silver Seal, PTFE/Silicone Lined MSVC5150-11(100)
MSVC5150-11(100)
11mm Silver Seal, PTFE/Silicone Lined MSVC5150-11(100)
48 in stock
20mm Crimp Top Aluminum seal PTFE/Silicone Septa , pk100, MSVC5150-20(100)
MSVC5150-20(100)
20mm Crimp Top Aluminum seal PTFE/Silicone Septa
43 in stock
20mm Magnetic Blue Seal, 0.125" Natural PTFE/Silicone Lined 5150MG-20B
5150MG-20B
20mm Magnetic Blue silver Seal, 0.125" Natural PTFE/Silicone Lined,5150MG-20B
9 in stock![Picture of 11mm Blue Poly Crimp™ Seal, 10mil PTFE Lined [Patented] 5510-11B](https://microanalytix.co.nz/images/thumbs/0016236_11mm-blue-poly-crimp-seal-10mil-ptfe-lined-patented-5510-11b_300.jpeg "Show details for 11mm Blue Poly Crimp™ Seal, 10mil PTFE Lined [Patented] 5510-11B")
11mm Blue Poly Crimp™ Seal, 10mil PTFE Lined [Patented] 5510-11B
5510-11B
11mm Blue Poly Crimp™ Seal, 10mil PTFE Lined [Patented]
![Picture of 11mm Blue Poly Crimp™ Seal, PTFE/Butyl Rubber Lined [Patented] 5540-11B](https://microanalytix.co.nz/images/thumbs/0016241_11mm-blue-poly-crimp-seal-ptfebutyl-rubber-lined-patented-5540-11b_300.jpeg "Show details for 11mm Blue Poly Crimp™ Seal, PTFE/Butyl Rubber Lined [Patented] 5540-11B")
11mm Blue Poly Crimp™ Seal, PTFE/Butyl Rubber Lined [Patented] 5540-11B
5540-11B
11mm Blue Poly Crimp™ Seal, PTFE/Butyl Rubber Lined [Patented]
![Picture of 11mm Blue Poly Crimp™ Seal, PTFE/Silicone Lined [Patented] 5550-11B](https://microanalytix.co.nz/images/thumbs/0016246_11mm-blue-poly-crimp-seal-ptfesilicone-lined-patented-5550-11b_300.jpeg "Show details for 11mm Blue Poly Crimp™ Seal, PTFE/Silicone Lined [Patented] 5550-11B")
11mm Blue Poly Crimp™ Seal, PTFE/Silicone Lined [Patented] 5550-11B
5550-11B
11mm Blue Poly Crimp™ Seal, PTFE/Silicone Lined [Patented]
![Picture of 11mm Blue Poly Crimp™ Seal, PTFE/Silicone with Slit Lined [Patented] 5570-11B](https://microanalytix.co.nz/images/thumbs/0016256_11mm-blue-poly-crimp-seal-ptfesilicone-with-slit-lined-patented-5570-11b_300.jpeg "Show details for 11mm Blue Poly Crimp™ Seal, PTFE/Silicone with Slit Lined [Patented] 5570-11B")
11mm Blue Poly Crimp™ Seal, PTFE/Silicone with Slit Lined [Patented] 5570-11B
5570-11B
11mm Blue Poly Crimp™ Seal, PTFE/Silicone with Slit Lined [Patented],5570-11B
![Picture of 11mm Blue Poly Crimp™ Seal, PTFE/Silicone/PTFE Lined [Patented] 5560-11B](https://microanalytix.co.nz/images/thumbs/0016251_11mm-blue-poly-crimp-seal-ptfesiliconeptfe-lined-patented-5560-11b_300.jpeg "Show details for 11mm Blue Poly Crimp™ Seal, PTFE/Silicone/PTFE Lined [Patented] 5560-11B")
11mm Blue Poly Crimp™ Seal, PTFE/Silicone/PTFE Lined [Patented] 5560-11B
5560-11B
11mm Blue Poly Crimp™ Seal, PTFE/Silicone/PTFE Lined [Patented]
![Picture of 11mm Clear Poly Crimp™ Seal, 10mil PTFE Lined [Patented] 5510-11](https://microanalytix.co.nz/images/thumbs/0016235_11mm-clear-poly-crimp-seal-10mil-ptfe-lined-patented-5510-11_300.jpeg "Show details for 11mm Clear Poly Crimp™ Seal, 10mil PTFE Lined [Patented] 5510-11")
11mm Clear Poly Crimp™ Seal, 10mil PTFE Lined [Patented] 5510-11
5510-11
11mm Clear Poly Crimp™ Seal, 10mil PTFE Lined [Patented]
![Picture of 11mm Clear Poly Crimp™ Seal, PTFE/Silicone Lined [Patented] 5550-11](https://microanalytix.co.nz/images/thumbs/0016245_11mm-clear-poly-crimp-seal-ptfesilicone-lined-patented-5550-11_300.jpeg "Show details for 11mm Clear Poly Crimp™ Seal, PTFE/Silicone Lined [Patented] 5550-11")
11mm Clear Poly Crimp™ Seal, PTFE/Silicone Lined [Patented] 5550-11
5550-11
11mm Clear Poly Crimp™ Seal, PTFE/Silicone Lined [Patented]
![Picture of 11mm Clear Poly Crimp™ Seal, PTFE/Silicone Lined [Patented] 5550-11(100)](https://microanalytix.co.nz/images/thumbs/0032088_11mm-clear-poly-crimp-seal-ptfesilicone-lined-patented-5550-11100_300.jpeg "Show details for 11mm Clear Poly Crimp™ Seal, PTFE/Silicone Lined [Patented] 5550-11(100)")
11mm Clear Poly Crimp™ Seal, PTFE/Silicone Lined [Patented] 5550-11(100)
5550-11(100)
11mm Clear Poly Crimp™ Seal, PTFE/Silicone Lined [Patented]
![Picture of 11mm Clear Poly Crimp™ Seal, PTFE/Silicone with Slit Lined [Patented] 5570-11](https://microanalytix.co.nz/images/thumbs/0016255_11mm-clear-poly-crimp-seal-ptfesilicone-with-slit-lined-patented-5570-11_300.jpeg "Show details for 11mm Clear Poly Crimp™ Seal, PTFE/Silicone with Slit Lined [Patented] 5570-11")
11mm Clear Poly Crimp™ Seal, PTFE/Silicone with Slit Lined [Patented] 5570-11
5570-11
11mm Clear Poly Crimp™ Seal, PTFE/Silicone with Slit Lined [Patented]
![Picture of 11mm Clear Poly Crimp™ Seal, PTFE/Silicone with Starburst Lined [Patented] 5581-11](https://microanalytix.co.nz/images/thumbs/0016257_11mm-clear-poly-crimp-seal-ptfesilicone-with-starburst-lined-patented-5581-11_300.jpeg "Show details for 11mm Clear Poly Crimp™ Seal, PTFE/Silicone with Starburst Lined [Patented] 5581-11")
11mm Clear Poly Crimp™ Seal, PTFE/Silicone with Starburst Lined [Patented] 5581-11
5581-11
11mm Clear Poly Crimp™ Seal, PTFE/Silicone with Starburst Lined [Patented]
![Picture of 11mm Clear Poly Crimp™ Seal, PTFE/Silicone/PTFE Lined [Patented] 5560-11](https://microanalytix.co.nz/images/thumbs/0016250_11mm-clear-poly-crimp-seal-ptfesiliconeptfe-lined-patented-5560-11_300.jpeg "Show details for 11mm Clear Poly Crimp™ Seal, PTFE/Silicone/PTFE Lined [Patented] 5560-11")
11mm Clear Poly Crimp™ Seal, PTFE/Silicone/PTFE Lined [Patented] 5560-11
5560-11
11mm Clear Poly Crimp™ Seal, PTFE/Silicone/PTFE Lined [Patented]
![Picture of 11mm Clear Poly Crimp™ Seal, with Molded Septum [Patented] 5500-11](https://microanalytix.co.nz/images/thumbs/0016233_11mm-clear-poly-crimp-seal-with-molded-septum-patented-5500-11_300.jpeg "Show details for 11mm Clear Poly Crimp™ Seal, with Molded Septum [Patented] 5500-11")
11mm Clear Poly Crimp™ Seal, with Molded Septum [Patented] 5500-11
5500-11
11mm Clear Poly Crimp™ Seal, with Molded Septum [Patented]
![Picture of 11mm Clear Poly Crimp™ Seal, with Starburst [Patented] 5500SB-11](https://microanalytix.co.nz/images/thumbs/0016234_11mm-clear-poly-crimp-seal-with-starburst-patented-5500sb-11_300.jpeg "Show details for 11mm Clear Poly Crimp™ Seal, with Starburst [Patented] 5500SB-11")
11mm Clear Poly Crimp™ Seal, with Starburst [Patented] 5500SB-11
5500SB-11
11mm Clear Poly Crimp™ Seal, with Starburst [Patented]
11mm Gold Seal, PTFE/Natural Red Rubber Lined 5140-11XY
5140-11XY
11mm Gold Seal, PTFE/Natural Red Rubber Lined
![Picture of 11mm Green Poly Crimp™ Seal, 10mil PTFE Lined [Patented] 5510-11G](https://microanalytix.co.nz/images/thumbs/0016237_11mm-green-poly-crimp-seal-10mil-ptfe-lined-patented-5510-11g_300.jpeg "Show details for 11mm Green Poly Crimp™ Seal, 10mil PTFE Lined [Patented] 5510-11G")
11mm Green Poly Crimp™ Seal, 10mil PTFE Lined [Patented] 5510-11G
5510-11G
11mm Green Poly Crimp™ Seal, 10mil PTFE Lined [Patented]
![Picture of 11mm Green Poly Crimp™ Seal, PTFE/Butyl Rubber Lined [Patented] 5540-11G](https://microanalytix.co.nz/images/thumbs/0016242_11mm-green-poly-crimp-seal-ptfebutyl-rubber-lined-patented-5540-11g_300.jpeg "Show details for 11mm Green Poly Crimp™ Seal, PTFE/Butyl Rubber Lined [Patented] 5540-11G")
11mm Green Poly Crimp™ Seal, PTFE/Butyl Rubber Lined [Patented] 5540-11G
5540-11G
11mm Green Poly Crimp™ Seal, PTFE/Butyl Rubber Lined [Patented]
![Picture of 11mm Green Poly Crimp™ Seal, PTFE/Silicone Lined [Patented] 5550-11G](https://microanalytix.co.nz/images/thumbs/0016247_11mm-green-poly-crimp-seal-ptfesilicone-lined-patented-5550-11g_300.jpeg "Show details for 11mm Green Poly Crimp™ Seal, PTFE/Silicone Lined [Patented] 5550-11G")
11mm Green Poly Crimp™ Seal, PTFE/Silicone Lined [Patented] 5550-11G
5550-11G
11mm Green Poly Crimp™ Seal, PTFE/Silicone Lined [Patented]
![Picture of 11mm Green Poly Crimp™ Seal, PTFE/Silicone/PTFE Lined [Patented] 5560-11G](https://microanalytix.co.nz/images/thumbs/0016252_11mm-green-poly-crimp-seal-ptfesiliconeptfe-lined-patented-5560-11g_300.jpeg "Show details for 11mm Green Poly Crimp™ Seal, PTFE/Silicone/PTFE Lined [Patented] 5560-11G")
11mm Green Poly Crimp™ Seal, PTFE/Silicone/PTFE Lined [Patented] 5560-11G
5560-11G
11mm Green Poly Crimp™ Seal, PTFE/Silicone/PTFE Lined [Patented]
![Picture of 11mm Red Poly Crimp™ Seal, 10mil PTFE Lined [Patented] 5510-11R](https://microanalytix.co.nz/images/thumbs/0016238_11mm-red-poly-crimp-seal-10mil-ptfe-lined-patented-5510-11r_300.jpeg "Show details for 11mm Red Poly Crimp™ Seal, 10mil PTFE Lined [Patented] 5510-11R")
11mm Red Poly Crimp™ Seal, 10mil PTFE Lined [Patented] 5510-11R
5510-11R
11mm Red Poly Crimp™ Seal, 10mil PTFE Lined [Patented]
![Picture of 11mm Red Poly Crimp™ Seal, PTFE/Butyl Rubber Lined [Patented] 5540-11R](https://microanalytix.co.nz/images/thumbs/0016243_11mm-red-poly-crimp-seal-ptfebutyl-rubber-lined-patented-5540-11r_300.jpeg "Show details for 11mm Red Poly Crimp™ Seal, PTFE/Butyl Rubber Lined [Patented] 5540-11R")
11mm Red Poly Crimp™ Seal, PTFE/Butyl Rubber Lined [Patented] 5540-11R
5540-11R
11mm Red Poly Crimp™ Seal, PTFE/Butyl Rubber Lined [Patented]
![Picture of 11mm Red Poly Crimp™ Seal, PTFE/Silicone Lined [Patented] 5550-11R](https://microanalytix.co.nz/images/thumbs/0016248_11mm-red-poly-crimp-seal-ptfesilicone-lined-patented-5550-11r_300.jpeg "Show details for 11mm Red Poly Crimp™ Seal, PTFE/Silicone Lined [Patented] 5550-11R")
11mm Red Poly Crimp™ Seal, PTFE/Silicone Lined [Patented] 5550-11R
5550-11R
11mm Red Poly Crimp™ Seal, PTFE/Silicone Lined [Patented]
![Picture of 11mm Red Poly Crimp™ Seal, PTFE/Silicone/PTFE Lined [Patented] 5560-11R](https://microanalytix.co.nz/images/thumbs/0016253_11mm-red-poly-crimp-seal-ptfesiliconeptfe-lined-patented-5560-11r_300.jpeg "Show details for 11mm Red Poly Crimp™ Seal, PTFE/Silicone/PTFE Lined [Patented] 5560-11R")
11mm Red Poly Crimp™ Seal, PTFE/Silicone/PTFE Lined [Patented] 5560-11R
5560-11R
11mm Red Poly Crimp™ Seal, PTFE/Silicone/PTFE Lined [Patented]
11mm Silver Magnetic Seal, Clear PTFE/Red Rubber Lined 5140M-11
5140M-11
11mm Silver Magnetic Seal, Clear PTFE/Red Rubber Lined
11mm Silver Magnetic Seal, PTFE/Silicone Lined 5150M-11
5150M-11
11mm Silver Magnetic Seal, PTFE/Silicone Lined
11mm Silver Magnetic Seal, PTFE/Silicone/PTFE Lined 5160M-11
5160M-11
11mm Silver Magnetic Seal, PTFE/Silicone/PTFE Lined
11mm Silver Seal, 1mm Thick Clear PTFE/Blue Silicone Septa, Ultra Low Bleed 5150UL-11
5150UL-11
11mm Silver Seal, 1mm Thick Clear PTFE/Blue Silicone Septa, Ultra Low Bleed
11mm Silver Seal, Clear PTFE/Red Rubber Lined 5140-11
5140-11
11mm Silver Seal, Clear PTFE/Red Rubber Lined
![Picture of 11mm Yellow Poly Crimp™ Seal, 10mil PTFE Lined [Patented] 5510-11Y](https://microanalytix.co.nz/images/thumbs/0016239_11mm-yellow-poly-crimp-seal-10mil-ptfe-lined-patented-5510-11y_300.jpeg "Show details for 11mm Yellow Poly Crimp™ Seal, 10mil PTFE Lined [Patented] 5510-11Y")
11mm Yellow Poly Crimp™ Seal, 10mil PTFE Lined [Patented] 5510-11Y
5510-11Y
11mm Yellow Poly Crimp™ Seal, 10mil PTFE Lined [Patented]
![Picture of 11mm Yellow Poly Crimp™ Seal, PTFE/Butyl Rubber Lined [Patented] 5540-11Y](https://microanalytix.co.nz/images/thumbs/0016244_11mm-yellow-poly-crimp-seal-ptfebutyl-rubber-lined-patented-5540-11y_300.jpeg "Show details for 11mm Yellow Poly Crimp™ Seal, PTFE/Butyl Rubber Lined [Patented] 5540-11Y")
11mm Yellow Poly Crimp™ Seal, PTFE/Butyl Rubber Lined [Patented] 5540-11Y
5540-11Y
11mm Yellow Poly Crimp™ Seal, PTFE/Butyl Rubber Lined [Patented]
![Picture of 11mm Yellow Poly Crimp™ Seal, PTFE/Silicone Lined [Patented] 5550-11Y](https://microanalytix.co.nz/images/thumbs/0016249_11mm-yellow-poly-crimp-seal-ptfesilicone-lined-patented-5550-11y_300.jpeg "Show details for 11mm Yellow Poly Crimp™ Seal, PTFE/Silicone Lined [Patented] 5550-11Y")
11mm Yellow Poly Crimp™ Seal, PTFE/Silicone Lined [Patented] 5550-11Y
5550-11Y
11mm Yellow Poly Crimp™ Seal, PTFE/Silicone Lined [Patented]
![Picture of 11mm Yellow Poly Crimp™ Seal, PTFE/Silicone/PTFE Lined [Patented] 5560-11Y](https://microanalytix.co.nz/images/thumbs/0016254_11mm-yellow-poly-crimp-seal-ptfesiliconeptfe-lined-patented-5560-11y_300.jpeg "Show details for 11mm Yellow Poly Crimp™ Seal, PTFE/Silicone/PTFE Lined [Patented] 5560-11Y")
11mm Yellow Poly Crimp™ Seal, PTFE/Silicone/PTFE Lined [Patented] 5560-11Y
5560-11Y
11mm Yellow Poly Crimp™ Seal, PTFE/Silicone/PTFE Lined [Patented]
13mm Silver Aluminum Seal, No Septa - Bulk Packaging B5100-13
B5100-13
13mm Silver Aluminum Seal, No Septa - Bulk Packaging,B5100-13
13mm Silver Seal, 0.040" PTFE/Butyl Rubber Lined 5140-13
5140-13
13mm Silver Seal, 0.040" PTFE/Butyl Rubber Lined
13mm Silver Seal, PTFE/Natural Rubber, 0.050" Thick 5146-13
5146-13
13mm Silver Seal, PTFE/Natural Rubber, 0.050" Thick
18mm Silver Magnetic (Metal) Cap with 0.050" Red PTFE/Silicone Liner (Shore A 45), Ultra Low Bleed 535050-18M
535050-18M
18mm Silver Magnetic (Metal) Cap with 0.050" Red PTFE/Silicone Liner (Shore A 45), Ultra Low Bleed
18mm Silver Magnetic (Metal) Cap with 0.050" White PTFE/Translucent Blue Silicone Liner (Shore A 45), Ultra Low Bleed 535050TB-18M
535050TB-18M
18mm Silver Magnetic (Metal) Cap with 0.050" White PTFE/Translucent Blue Silicone Liner (Shore A 45), Ultra Low Bleed
18mm Silver Magnetic (Metal) Cap with 0.060" Blue PTFE/White Silicone Liner (Shore A 55), Ultra Low Bleed 535655B-18M
535655B-18M
18mm Silver Magnetic (Metal) Cap with 0.060" Blue PTFE/White Silicone Liner (Shore A 55), Ultra Low Bleed
18mm Silver Magnetic (Metal) Cap with 0.125" White PTFE/Translucent Blue Silicone Liner (Shore A 45) 5351TB-18M
5351TB-18M
18mm Silver Magnetic (Metal) Cap with 0.125" White PTFE/Translucent Blue Silicone Liner (Shore A 45)
18mm Silver Magnetic (Metal) Cap with 0.125" White PTFE/Translucent Blue Silicone Liner (Shore A 45), Ultra Low Bleed, 5351TBUL-18M
5351TBUL-18M
18mm Silver Magnetic (Metal) Cap with 0.125" White PTFE/Translucent Blue Silicone Liner (Shore A 45), Ultra Low Bleed
20mm Blue BiMetal Seal, 0.100" PTFE/Silicone Lined 5150BM00-20B
5150BM00-20B
20mm Blue BiMetal Seal, 0.100" PTFE/Silicone Lined
20mm Blue BiMetal Seal, 0.118" PTFE/Silicone Lined 5150BM18-20B
5150BM18-20B
20mm Blue BiMetal Seal, 0.118" PTFE/Silicone Lined
20mm Blue BiMetal Seal, 3mm Thick Clear PTFE/Blue Silicone, Ultra Low Bleed 5150BMUL-20B
5150BMUL-20B
20mm Blue BiMetal Seal, 3mm Thick Clear PTFE/Blue Silicone, Ultra Low Bleed
20mm Center Tear Silver Aluminum Seal, No Septa 5100CT-20
5100CT-20
20mm Center Tear Silver Aluminum Seal, No Septa
20mm Gold Magnetic Seal, 8mm Hole, 0.125" Clear PTFE/Clear Blue Silicone Lined 5150BTP8-20
5150BTP8-20
20mm Gold Magnetic Seal, 8mm Hole, 0.125" Clear PTFE/Clear Blue Silicone Lined
Septa, caps and liners play a key role in the storage and preparation of samples. MicroAnalytix provides a variety of caps & septa products, Screw Caps, Crimp Caps, Snap Top Caps, GC Septa...