10mm Wide Opening Screw Caps and Septa feature a 10-425 thread finish and are available in an assortment of styles to match your application needs. Shop aijiren Tech™ 10mm aijiren Tech™ 10mm Autosampler Vial Screw Thread Caps White; Septa: Shimadzu™ Red PTFE/White Silicone aijiren Tech™ 10mm Autosampler Vial