3M(TM) Dual Lock(TM) Reclosable Fastener SJ3460 is a clear, plain backed reclosable fastener. 3M(TM) Dual Lock(TM) Reclosable Fastener SJ3460 has 250 stems per square inch with an engaged thickness of 0.160 inches. 3M(TM) Dual Lock(TM) Reclosable Fastener SJ3460 is for attachment to fabrics via sewing or to wood and similar substrates using staples.