Makita XWT041X Cordless Square Drive Impact Wrench Kit, 18 VoltsHighlights: Voltage: 18 Volts Square Drive: 1 2" No Load Speed: 1,600 RPM Impacts Per Minute: 2,200 IPM Makita built motor delivers 325 ft. lbs. of Max Torque, with 1,600 RPM and 2,200 IPM for superior fastening power Shock absorbent handle protects battery housing for extra durability Rocker switch for forward reverse operation Rubberized soft grip handle provides increased comfort on the job Compact and ergonomic design at only 10 1 2" long Weighs