This 125mm Makita Angle Grinder is powerful enough to withstand metal grinding applications The Makita GA5021 features a large type switch trigger and Super Joint System (SJS). Makita SJS Grinders include an innovative mechanical clutch system that allows the driveshaft to slip if the wheel catches or binds. It has been engineered to protect the gears and motor thus vastly extending the operational life of the tool.  Features:   Soft start  Large trigger  Double insulated  SJS - protection of gears ensures longer lifetime   High dustproof construction with protection of motor  Comes with:   Side Handle Wheel guard   Locknut wrench  Specification: Net weight: 2.5 kg Bore Diameter: 22mm Input wattage: 1050 w Noise K factor: 3 dB(A) Spindle Size: M14x2mm No Load Speed: 11000 rpm Vibration K factor: 1.5 m/sec_ Max Wheel Diameter: 125mm Noise sound power: 101 dB(A) Noise sound pressure: 90 dB(A) Vibration: Artificial Wheel: 13.5 m/sec_