Milrose 70885 Blue Monster 1/2 Inch x 1429 Inch Blue Teflon Tape (3 Pack) BUY MORE AND SAVE! 3 PACK! Blue Monster is a blue color-coded, professional-density, PFTE thread sealing tape for hundreds of applications. Creates dependable, leak-proof joints. Will not harden or crack on the joints. All purpose - use on iron, brass, copper, aluminum, stainless steel, galvanized steel, polyethylene, polypropylene, PVC, CPVC, ABC, fiberglass and more. MONSTROUS 1429 inch roll!