Fastens heavy items creating a more permanent bond. Rigid plastic stems interlock for hundreds of closures; Acrylic adhesive on the back of a polypropylene, reclosable fastener; Type 170 stem density mates to types 250 or 400 but not to itself; 150 feet of usable product. Does not interlock with itself; Designed to bond to metals, glass vinyls, and medium to high surface energy plasticase and paint; Excellent UV, moisture and solvent resistance; For indoor/outdoor use in temperatures up to 200 degrees F; Stems interlock with DK3M135 or DK3M120. This product is equivalent to part number: S-17509. Alternate UPC: 00021200863622. Sold in a quantity of 2 per case.