Fastens heavy items creating a more permanent bond. Rigid plastic stems interlock for hundreds of closures; Rubber based adhesive on back of a polypropylene, reclosable fastener; Type 400 stem density mates to types 170 or 250 but not to itself; 150 feet of usable product. Does not interlock with itself; Designed to bond to many plasticase, powder coated paints and other low surface energy materials; Indoor use in temperatures up to 120 degrees F; Stems interlock with DK3M132 or DK3M135. This product is equivalent to part number: S-17512. Alternate UPC: 00021200863585.