3M SJ457 Dual Lock Fastener – 25mm x 10M. SJ457 provides a very thin, clear and unobtrusive bond. Higher performance than regular hook and loop systems. Coated with 300 LSE acrylic adhesive which is suitable for use on most surfaces (including difficult plastics and powder coated materials). Self-mating. Secure up to 100 uses. 3M SJ457 Dual Lock product has mushroom shaped stems snap in place to ensure fastener is engaged. Apply as a decorative appliance trim attachment. 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 01621 828882 for any help with ordering your products online. For our full range of 3M tapes, click here.