Makita XWT04Z 18-Volt LXT Lithium-Ion 1/2-Inch High Torque Impact Wrench (Tool Only, No Battery) 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 Soft grip handle provides increased comfort on the job Compact design at only 10-1/2" long and weighs only 7.5 lbs. for reduced operator fatigue