Gorilla Black Heavy Duty Mounting Tape XL is a double-sided tape that mounts in an instant for a long-lasting weatherproof bond. The industrial strength double-sided tape delivers a heavy duty bond that holds up to 60 pounds. Gorilla Heavy Duty Mounting Tape is perfect for indoor and outdoor projects and sticks to smooth and rough surfaces. Completing DIY projects is easy with this tough double sided tape. Mount build and repair Entire roll holds up to 60 lbs.