Heskins Black Standard anti slip tape is a industry leading anti-slip tape. This anti-slip tape is ideal for highlighting stair nosing's, dangerous steps, loading dock edges and all the other potentially dangerous locations you may have. The industrial strength self-adhesive base ensures that once correctly applied, it remains steadfast, permanently. 60 Grit Aluminum oxide provides certified High Traction to ANSI standards. Applications onto porous surfaces such as wood or concrete may require additional surface preparation.