3M™ 3551 and 3M 3552 Dual Lock self-adhesive hook and loop fasteners can be a quick and easy replacement for traditional mechanical fasteners (e.g., screws, nails, rivets, clips). 3M™ 3551+3552 Dual Lock is a black self-adhesive industrial hook and loop fastener. This 3M product can be used for strong yet discreet bonding tasks. It is suitable for fastening heavy objects and provides a secure hold even under heavy loads, but it cannot be used on powder-coated surfaces, PE polyethylene, or PP polypropylene surfaces. 26 heads/cm2. Excellent moisture resistance, UV resistance, and resistance to vinyl plasticizers. Important information! 3551 Dual Lock is a self-adhesive industrial hook and loop fastener that only bonds completely with the 3552 Dual Lock product! The unit price is for 2 x 1 meter of hook and loop fastener, i.e. 1 meter of 3M 3551 + 1 meter of 3552! Total thickness: 5.8 mm, Backing: polyolefin, Excellent locking force, Color: black, Liner: white with red 3M logo and Dual Lock inscription, Adhesive: VHB acrylate, Temperature resistance: -30°C to +90°C, Minimum order quantity: 1 meter