Compact and ergonomic design at only 5 in. long Brushless motor, sans carbon brushes, runs cooler, more efficiently, with longer life. Electronically controlled BL brushless motor optimizes energy use to match torque and RPM with application demands. Brushless motor: 1,500 in.lbs. max torque, variable speed (0-3,400 RPM, 0-3,600 IPM) for diverse fastening tasks. 1-touch 1/4 hex chuck for quick bit changes; all-aluminum gear housing boosts job site durability. Extreme Protection Technology (XPT) enhances dust and water resistance for harsh-condition operation. Built-in twin LED lights illuminate the work area Rubberized soft grip provides increased comfort on the job. Makita®'s exclusive hammer-anvil impact mechanism: top-grade steel and special heat-hardening for peak fastening/driving power. Tool only (battery and charger not included).