DEWALT Impact Ready 20 Piece Impact Driver Bit Set Concrete & Masonry Ready to Use Set: Organized layout keeps The rustproof injection molded Ready to Use Set: Organized layout keeps all 21 pieces accessible and easy to carry A: Manufacturer warranty is 5 years Best in class most common impact driver accessories New patented pivot holder drive straight or in pivot mode Ideal for any applications where impact drivers are used Ideal for general contracting Sub Brand Impact Ready Brand Model Compatibility Universal Bit Length Set Shank Size Set Shank Type Hex Material High speed steel Head Type Set Adaptor Included No Set Individual Set Double Ended No Warranty None Case Type Hard Package Quantity 20 CA Residents: Prop 65 Warning(s) Yes Number of Pieces 20