3M 26550, Scotch Extreme Mounting Squares Value Pack RFD7021-VPESF, 1 in x 1 in(25,4 mm x 25,4 mm), Black, 36 Squares, 7100168201

When only the strongest hold will do, reach for our strongest fastener, Scotch Extremely Strong Fasteners. Designed with reclosable, dual lock technology, these heavy duty permanent fasteners are ideal for holding down tarps, hanging metal signs, and even mounting tools or solar lights. They’re great for indoors too?think a chalkboard and even framed art. So give your power tools a break, and get the job done in a snap with the gravity defying power of Scotch Extremely Strong Fasteners.