3M Dual Lock Reclosable Fastener

Durable and secure, 3M Dual Lock Reclosable Fastener MP3551CF/MP3552CF has exceptional strength through its interlocking mushroom-shaped heads, providing up to 5X the tensile strength of typical hook-and-loop products. This trial bag contains Type 400 and Type 170 stem densities, which can both mate to each other or to Type 250. Mini pack version 1 in. x 4.9 yds. dispenses one strip each of 3M Dual Lock Reclosable Fastener SJ3551CF and 3M Dual Lock Reclosable Fastener SJ3552CF.Great for small jobs, storage and easy dispensing.Black, interlocking mushroom-shaped heads provide strong, reliable and durable fastening that can be opened and closed multiple times.