3M SJ 3540 Dual Lock, Fastening system , Black Adhesive 3M SJ 3540 Dual Lock, Fastening system , Black Adhesive Polypropylene and Synthetic Rubber Adhesive Backing, Ideal for use in Indoor and Outdoor Environments for securing Doors, Access Panels, Bearings, coatings, signals and displays. 2 m x 25,4 mm , Polypropylene and Synthetic Rubber Adhesive Backing, Ideal for use in Indoor and Outdoor Environments for securing Doors, Access Panels, Bearings, coatings, signals and displays. 2 m x 25,4 mm