Siw 22T-A 1/2" Cordless Impact WrenchDescription Ultimate class 22V high torque cordless impact wrench with 1 2" detent pin anvil for anchoring and bolting Anvil type: 1 2" detent pin Maximum torque: 332 ft lbs (1) Full hammering frequency: 2500 impacts minute FEATURES & APPLICATIONS Features " square drive with heavy duty detent pin retention for security and quick socket changing Reduce uncontrollable spinning thanks to tangential impact helps to make electric impact wrenches less