The Original Duck Tape® Brand Duct Tape is the classic tool for temporary repairs and everyday fixes. Featuring better adhesion, this easy-to-tear workbench favorite is great for holding, seaming, sealing and bundling. Its strength and conformability makes this tape ideal for those difficult DIY projects that involve corners, bends and curves. With its wide variety of uses around the home, office or construction site, Original grade tape is the perfect tool to have on hand. Basic Strength. Grade: Economy; Core Size: 3"; Dispenser Included: No; Adhesive Material: Natural Rubber.