3M SJ3541 Dual lock Hook & loop fastening system - Black - 19 mm x 46 m - per box of 8 rolls

3M SJ3541 Dual Lock Reclosable Fastener is the simple alternative to traditional fastening methods, such as screws, nuts or bolts. It is designed to provide a durable, resealable fastening solution (t hat can be opened and closed multiple times) that adheres to a variety of substrates, including many plastics and low surface energy materials. It has exceptional strength due to its interlocking mush room-shaped heads (density of 400 rods per square inch), providing up to 5 times the tensile strengt h of typical hook and loop products.