3M Safety-Walk Slip-Resistant Conformable Tapes and Treads 510, Black, 4" Width, 60' Length (Pack of 1 Roll) Aluminum backing conforms to corners, curves and irregular surfaces like diamond plating, riveted plates and ladder rungs Abrasive particles bonded by a polymer coating provide traction and enhance safety Press-in-place adhesive provides ease of installation For irregular or contoured surfaces in light to heavy shoe-traffic areas Tapes and treads resist wrinkling, curling, tearing, shrinking, and lifting