7100220784

3M™ Hook Fastener SJ3530, Black, 1 in x 5 yd, Sample. 3M™ Hook Fastener SJ3530 is one part of a two-part fastener solution designed to provide great durability for thousands of closures. With its high tack rubber-based pressure sensitive adhesive backing, this fastener allows for easy and convenient attachment to a variety of substrates, including plastics like polyethylene and polypropylene.