The 20 V max 1/4 in hex head compact impact driver kit is built to drive decking screws, drywall screws, lag screws, lag bolts, self-tapping screws and ledger lock screws. It features a high-torque motor that delivers 1450 in-lb. of torque for quick fastening. This unit is compact and lightweight, allowing you to work in tight areas with minimized fatigue. It has a quick-release 1/4 in hex head chuck for easy one-handed bit changes. An onboard battery gauge displays remaining charge and an LED brightens dark work areas.