standard screw-thread autosampler vials red PTFE/white silicone, diam. 8 mm, thickness 0.065 in. Z291641 Standard screw-thread autosampler vials, 12 × 32 mm volume 2 mL, amber glass vial (standard opening), thread 8-425 Properties Related Categories 2 mL Screw Top Vials, Standard Opening 4.6 mm, Analytical/Chromatography, Clear glass, 12 x 32 mm,