Milwaukee SHOCKWAVE Impact Duty 1/4 in. x 1-7/8 in. Alloy Steel Magnetic Nut Driver Bit # 49-66-4522 # 406922 49-66 (3-Pack)

Impact Duty Magnet prevents magnet loosening over time Magnetic nut driver holds screws securely during application set-up Optimized SHOCK ZONE absorbs peak torque and prevents breakage Color-coded bands aid with selecting the right size nut driver CUSTOM ALLOY76 Steel is engineered to extend bit life Chamfered edge for maximum screw-head engagement Improved hex geometry for best fit and reduced stripping Designed for heavy-duty impact applications Designed for use with Impact Drivers and Drill