R4 Multi-Purpose Framing and Decking screws provide a faster drive for improved productivity.Fast bite tip eliminates pre-drilling and provides a fast start for one step installationW-CutTM low installation torque allows for fast driving and ease of installPrecision Fit between R4 Multi-Purpose screws and GRK bits reduces wobble and improves productivityFor use in wood, particle-board, plastic, sheet metal, cement fiber board, wood decking, composite decking, and melamineESR-3201 approved for structural applications