The 3M™ Dual Lock™ Reclosable Fastener SJ3870 is the easy and clear alternative to traditional fastening methods, such as screws, nuts, or bolts. It is designed to deliver a durable, reclosable fastening solution that can be opened and closed multiple times, bonding to a variety of substrates, including many plastics and low surface energy materials.
Durable and secure, the 3M™ Dual Lock™ Reclosable Fastener SJ3870 has exceptional strength through its interlocking mushroom-shaped heads (250 stem density per square inch), providing up to 5X the tensile strength of typical hook-and-loop products. 3M™ Dual Lock™ Reclosable Fastener SJ3870 mates Type 170, Type 250 or Type 400 stem densities to provide different strength combinations. The strong fastener secures with an audible snap, verifying closure. With 3M™ Dual Lock™ Reclosable Fastener SJ3870, there is no need for any drilling, screwing or sewing tools which makes for quick installation.