The tool-less wheel cover on this 9 inch angle grinder is adjustable to any desired position for greater versatility in many work situations The Makita GA038GZ07 40V angle grinder measures 230mm in diameter and features a fully brushless motor for greater power output. It features AWS which allows it to connect to compatible dust extractors via Bluetooth for efficient dust extraction. Active Feedback Sensing Technology shuts down the tool if the rotation speed suddenly slows down and the ergonomic soft grip provides greater comfort in use. Features: Brushless motor for the greatest power output Anti-restart function Electric brake enhances user safety Active Feedback Sensing Technology (AFT) shuts down the tool if the rotation speed suddenly slows down Soft start The tool-less wheel cover is adjustable to any desired position Electronic current limiter for overload protection. Ergonomic soft grip for comfort in prolonged use Auto-Start Wireless System (AWS) connects to compatible dust extractors with Bluetooth. The dust extractor automatically runs while the switch is on Large switch lever with lock-off function XPT provides enhanced dust and drip-resistant performance for outdoor working Comes with: Side handle Lock nut wrench Wireless unit Specification: Bore Diameter: 22.23mm Max Wheel Thickness: 6.5mm Noise sound pressure: 87 dB(A) Noise sound power: 98 dB(A) Noise K factor: 3 dB(A) Max Wheel Diameter: 230mm No Load Speed: 6,600 rpm Vibration K factor: 1.5 m/sec² Vibration: Surface Grinding: 7.0 m/sec² Vibration: Disc Sanding: 2.5 m/sec² Net weight 4.6 - 7.4 kg