3M 7000051891 Dual Lock SJ3541 Type 400 Black PSA Fastener, 1/2″ x 50 yd 1 Roll
Designed for indoor general use on low surface energy plastics and other substrates, it installs quickly and provides durable performance. Size: 1/2 in x 50 yd. (1) Dual Lock Reclosable Fastener SJ3541 roll (1/2 in x 50 yd).