Makita-built motor delivers 25,000 RPM for faster grinding. Compact barrel grip design and weighs only 4.4 lbs. for easy handling. Slide switch with lock-on for operator convenience. Built-in L.E.D. protection circuit with over-torque control protects the motor. L.E.D. light flashes red when it is time to recharge the battery. Vent slots designed to direct exhaust air away from the user. Solid aluminum housing for added durability. Round-shaped collet nut reduces the possibility of damage. Stepped neck for working in tights spaces. Battery and charger sold separately.