The Craftsman CMCF900M1 20V 1/2" Impact Wrench Kit (1 Battery) delivers the torque to get the job done easing the removal of large fasteners. Featuring a variable speed trigger which allows the user to have additional control over their applications.FeaturesPart of the V20 Cordless System1/2-in. Cordless Impact WrenchHog ring anvil for easy socket changesMax 350 ft-lbs. torque and 2，500 IPMs for removing larger fasteners quicklyMax 1，700 RPMs with variable speed trigger for added controlLED light improves visibility in dark work areasIncluded V20 20V MAX* 4.0Ah high capacity lithium battery for extreme runtime in heavy duty applicationsIncluded fast charger recharges high capacity lithium battery in 60 minutes or lessCompatible with the VERSATRACK™ Wall Organization System. Clip and Accessories sold separatelySpecificationsVoltage: 20V