Anti-slip Safety Tapes -Sure-Step (safe passage) 32 mil. Sandblasted silicone carbide (60). High traction, non-skid, waterproof, covered with a powerful pressure sensitive acrylic adhesive. For indoor or outdoor use; on ramps, stairs, hallways; in mechanical workshops, work areas, etc. Sandblasted silicone carbide (60) in a black strip, aluminum oxide in the yellow strip. Diagonal security stripes.