When only the strongest hold will do, reach for Scotch's strongest fasteners, Extreme Fasteners. Designed with reclosable, dual lock technology, these heavy duty permanent fasteners are ideal for holding down tarps, hanging metal signs, & even mounting tools or solar lights. They're great for indoors toothink a chalkboard & even framed art. So give your power tools a break, & get the job done in a snap with the gravity defying power of Scotch Extreme Fasteners. Hook & Loop Fastener Type: Adhesive-Backed Square; Use Environment & Rating: Indoor Heavy-Duty; Color(s): White; Tape Pad Size: 1" x 1".