GA023G is a 125mm cordless angle grinder powered by 40Vmax XGT Li-Ion battery. BL motor and XGT battery deliver powerful grinding and cutting similar to 1,000W class AC models. Brushless motor Variable speed control dial. Anti-restart function. Electric brake Active Feedback Sensing Technology (AFT): Shuts down the tool if the rotation speed suddenly slows down Soft start. On/off slide switch. Tool-less wheel cover is adjustable to any desired poition. Able to continuously perform heavy-duty cutting and grinding Auto-Start Wireless System (AWS) - connects to compatible dust extractors with Bluetooth. The dust extractor automatically runs while the switch is on. Bore Diameter - 22.23 mm Max Wheel Thickness - 7.2 mm Noise sound pressure - 81 dB(A) Noise sound power - 92 dB(A) Noise K factor - 3 dB(A) Max Wheel Diameter - 125 mm No Load Speed - 3,000 - 8,500 rpm Vibration K factor - 1.5 m/sec Vibration: Surface Grinding - 6.5 m/sec Net weight - 3.0 4.4 kg