Swagelok® brand PTFE Teflon Tape - Male Tapered Pipe Thread Sealant 1/4" x 576'' roll - withstands temperatures up to 450 Degrees Fahrenheit (232 Degrees Celcius) - for use with Plastics, Aluminum, Stainless Steel, Ceramic, Synthetic Rubber, Carbon Steel, Special Alloys, Chemicals, Corrosives, Hydraulic Fluids, Refrigerants and Aromatic fuels - fits pipe sizes 1/8, 1/4 and 3/8 inch. 1/4 in. X 576 in Roll.