Safety-Walk ™ General Purpose Tread Rolls. Helps prevent slips and falls in heavy-traffic work areas, ramps, walkways, loading docks, machinery, vehicles and aircraft. Low-profile design reduces trip hazard. Mineral-coated, slip-resistant material is highly durable. Pressure-sensitive adhesive covered by a removable protective liner. For use on smooth, flat surfaces. 60-ft. rolls. Black. 1 Rolls per Case. 4" Wide.