400 stems per square inch. Black, polyproplyene reclosable fastener with rigid backing, no adhesive. High tensile strength, excellent temperature and solvent resistence. 0.5625 in (14.3 mm) diameter washer with 0.16 in (4.1 mm) hole.
Black, polypropylene reclosable fastener with rigid backing, rigid backed circle with hole 400 stems per square inch, 0.5625 in (14.3 mm) diameter washer with 0.16 in (4.1 mm) hole.
