3M™ Dual Lock™ Reclosable Fasteners have been used extensively in transportation, electronics, business equipment, machinery, medical and sign and display markets. When the mushroom-shaped stems interlock, tensile strength is high enough to replace mechanical fasteners in many applications, yet you can readily open and close Dual Lock fasteners hundreds of times. High Temperature and solvent resistant. Black, polypropylene reclosable fastener with a clear VHB™ Tape pressure sensitive 170 stems per square inch

Black, polypropylene reclosable fastener with clear acrylic adhesive on a clear polyethylene film liner with red 3M logo, 170 stems per square