HYCHIKA 20-Volt Maximum Cordless Impact Wrench features powerful motor which delivers maximum 260 ft./lbs. maximum torque and 0-3000 IPM impact frequency. It is ideal for lug nuts tightening and bolts loosening. Its high torque is also capable of dealing with automotive repairs, major constructional engineering, equipment maintenance which can meet various demands of different applications. This Impact Wrench also features 1/2 in. keyless metal ratcheting chuck. Comparing with 3/8 in. plastic chuck, the 1/2 in. metal chuck has unbeatable performance in providing maximum accessory compatibility and durability. It comes with 20-Volt 4Ah large capacity Li-ion battery with real-time power indicator, ensures longer working hour.