Anti-slip decking strips - 50mm wide, 3mm thin convex edge Decking strips are pre-drilled, supplied with free screws Non slip decking strips with quartz glass grit surface ensure super grip for slip timber wooden, stop slipping on a slip deck land especially in wet or icy conditions Anti-slip safety treads are commonly used on outside, garden decking, balconies, patio, ramps, on stairs, external paving, and access walkways. Also great for pontoons, boat decking, step covers and platforms to eliminate any potential trip hazard Anti-slip treads are made from composite material which is fire retardant and will never rot, or mould