About This [1 PACK] LEAK-PROOF SEAL: Professional-grade PTFE thread seal tape ensures an air-tight seal on threaded joints of pipes, valves & fittings. Ideal for plumbing, pneumatic, automotive, & gas applications. CONTRACTOR-GRADE: Suitable for brass, aluminum, steel, iron, copper, PVC & plastic threads. Perfect for water pipes, shower heads, compressed air hoses, propane and natural gas lines, hydraulics & more. MEGA ROLL VALUE: 125 ft. long, 1/2" wide heavy duty thread sealant tape. Thicker & more durable than standard teflon tape, delivering long-lasting performance. EASY TO APPLY: Non-sticky, easy-to-use plumber's tape requires only 3 wraps for reliable leak protection. No curing time needed. Resists cracking, hardening & falling apart. TRUSTED QUALITY: Backed by a lifetime warranty from JACO with over 35 years of experience in industrial tools & accessories. The go-to choice for professionals & DIYers alike.