Screw caps for screwthread tubes GL14, bore 8mm Back Catalog number: OST-201-0246 Availability: In the manufacturer's stock Price on request - + Recommended U-COV100 O-Ring, low-emission, size 010, pk/100 Price on request RMK-0005 RoutMainten kit - TT24-7 Price on request U-T16GHG-2S Greenhouse gases C2 - C14 cold trap Price on request