The 3M 48-milllimeter-by-54-meter silver duct tape is ideal for bundling, sealing, and holding applications. The strong waterproof backing provides long-term resistance to wear, abrasion, moisture, and weathering. This industrial-grade duct tape is 10.7 millimeters thick and features a high-tensile strength of 30 pounds. It measures 48-millimeters-by-54-meters (WxL) and weighs 1.8 pounds.