Gorilla Tape, Silver Duct Tape, 1.88" x 35 yd, Silver, (Pack of 1) We took ordinary duct tape and made it better; We made it twice as thick and we use 2 to 3 times the amount of rubber based adhesive Double-Thick Adhesive; Grips smooth, rough and uneven surfaces including wood, stucco, plaster, brick, metal and more Tough, Reinforced Backing; The tight weave contributes to the heft, but Gorilla Tape can still be ripped by hand Rugged, Weather-Resistant Shell; Withstands moisture, UV rays and temperature extremes Gorilla Tape should not be used as an electrical tape