3m Dual Lock Sj3560, Type 250, Clear Reclosable Fastener, 1" Wide X 6' Length Roll 3M Dual Lock SJ3560 Type 250 Clear Reclosable Fastener offers advanced closure alternatives to screws, snaps, hooks, bolts and more. Open and close instantly by simply pulling the interlocking strips apart. Adhesive backing attaches to metal, plastic, and most rigid or flexible surfaces. Resists solvents, moisture and plasticizers. Resists heat up to 200 degrees. Roll size 1" wide x 6 feet long.