Makita BTW450 18-Volt LXT Lithium-Ion Cordless 1/2-Inch High Torque Impact Wrench Kit Makita-built motor delivers 325 ft.lbs. of max torque,1,600 RPM and 2,200 IPM for superior fastening power Compact, ergonomic design at 10-1/2-Inches long, weighs 7.5 pounds Large rocker switch, built-in LED, large tool hook, shock-absorbent handle to protect the battery housing Makita LXT lithium-ion battery and charger produces 430% total lifetime work with 2.5X more cycles Tool not equipped with Star Protection- only compatible with Makita 18V LXT 3.0Ah battery (BL1830) Makita-built motor delivers 325 ft.lbs. of max torque,1,600 RPM and 2,200 IPM for superior fastening power Compact, ergonomic design at 10-1/2-Inches long, weighs 7.5 pounds Large rocker switch, built-in LED, large tool hook, shock-absorbent handle to protect the battery housing Makita LXT lithium-ion battery and charger produces 430% total lifetime work with 2.5X more cycles 3-year warranty on tool, 1-year warranty on batteries and charger.