3M-1339 Scotch Heavy Duty Mounting Tape, 1-Inch by 50-Inch, 3 Pack is a polyester film/glass filament tape that is coated with a pressure-sensitive acrylic adhesive system. It's polyester film/glass backing gives it excellent physical and electrical characteristics. The backside of the tape features a special coating that gives it an even, controlled unwind. This also gives permanent anchoring in the application process. The typical applications for 3M-1339 include: lead anchoring, banding of coils, lead tape anchoring, and other applications where tensile strength is needed. This product has excellent conformability, high tensile strength, a high dielectric strength and UL recognition. Easy to wall-mount kitchen or bathroom accessories, and pictures or decorations on clean, dry, smooth walls. Works on most surfaces that are clean, dry and smooth. This product works great to replace screws, nails or bolts. The application is instant and mess-free. Quantity: Pack of 3.