Description3M SJ356 Dual Lock Fastener is specifically designed for assembly of translucent or clear materials. More than 1000 openings and closings. Five times the strength of conventional hook and loop fasteners. Coated with VHB clear acrylic foam tape. Only 1 product – locks onto itself. Get a longevity with a closure life of 1000 times. Bond well to paper and cardboard, paint, bare and painted metal, glass, sealed wood and plastics. As an authorised distributor for 3M, Directa can help you with any of the Dual-Lock range, please click below to see the information sheet or call us on 01621 828882. Supplied pack of 2 rolls. For our full range of 3M tapes, click here.