Makita DGA469Z 18v LXT Brushless X-LOCK 115mm Angle Grinder Body Only The Makita DGA469 is a 115mm/4.5\" cordless angle grinder powered by an 18v LXT Li-Ion battery, and is equipped with X-LOCK mechanism that allows for quick and easy wheel changes. Supplied body only - batteries and chargers sold separately. FEATURES X-LOCK mechanism: install/remove X-LOCK wheels with just a single action without tool X-LOCK wheel can be easily removed simply by pulling up the lever New toolless wheel cover: for fast and easy adjustment / installation and removal Automatic Torque Drive Technology: automatically changes the cutting speed according to load condition for optimum operation Active Feedback Sensing Technology (AFT): Shuts down the tool if the rotation speed suddenly slows down Brushless motor Variable speed control dial Anti-restart function Electric brake Safety paddle switch Ergonomic soft grip Removable dust covers Soft start Equipped with battery protection circuit: designed to protect the battery from damages due to overdischarge, high temperature or overload current SPECIFICATION Voltage: 18v LXT Wheel Diameter: 115 mm Bore Diameter: 22.23 mm Max Wheel Thickness: 6 mm No Load Speed: 3,000 - 8,500 rpm Net Weight: 2.5 - 3.1 kg NOISE & VIBRATION Sound Pressure: 80 dB(A) Sound K Factor: 3 dB(A) Vibration: Surface Grinding: 5.0 m/s² Vibration K Factor: 1.5 m/s²