3M SJ354D Dual Lock 25mm x 5m. Press 3M dual lock fasteners together and hundreds of mushroom shaped heads will interlock. The strong adhesive works well on most substrates. Attach a variety of materials with 3M SJ354D Dual Lock. Our fastener is designed to bond many plastics, powder coated paints and other low surface energy materials. Our fastener has closure action life of 1000 times before losing a lot of its original strength, therefore making it reliable for longer. As 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 in a twin pack of 2 rolls. As a result if you would like to view our 3M tapes, click here.