Dl-Lck Reclosable Fastener 250

3M(TM) Dual Lock(TM) Reclosable Fastener 250 SJ3789 Black, 6 in x 45 yd, 1 per case Bulk Black, polypropylene reclosable fastener, pressure sensitive adhesive with 80 mils acrylic tape and 250 stems per square inch 3M (TM) Dual Lock (TM) 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, polyproplyene reclosable fastener with 80 mils of VHB Tape.