DEWALT Impact Ready 20 Piece Impact Driver Bit Set Gutter Systems Built in laser guide provides precise Built in laser guide provides precise cutline guidance The home ventilating institute recommends at least one square foot of open air inlets for each 300 CFM of ventilator capacity 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 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