Gorilla tape is three times stronger for a hold that lasts. Made with double-thick adhesive, strong reinforced backing, and a tough all-weather shell, this duct tape is great for projects and repairs both indoors and out. It sticks to smooth, rough and uneven surfaces, including wood, stone, stucco, brick, metal and vinyl. Gorilla Tape, for the toughest jobs on planet earth®. Grade: Heavy-Duty; Core Size: 3"; Dispenser Included: No; Adhesive Material: Natural Rubber.