The Makita GA5041CT01 AVT 125mm Angle Grinder has a number of added safety features. The Super Joint System II provides increased machine durability by absorbing the vibration produced by the wheel grinding or cutting material. Braking performance is enhanced by the unique brake pad that provides powerful friction. Other safety features include: an anti-restart function, double insulation and an electronic current limiter for overload protection. The variable speed control dial helps to provide constant speed control, even under load. It is fitted with the best possible ergonomic barrel grip, with a perfect circumference size and shape which fits the hand for extra comfortable handling. The tool-free wheel cover can be adjusted to any desired position. There is also an Ezychange flange for quick wheel change and a lock-on switch that helps to reduce user fatigue. Specification: Input Power: 1,400W No Load Speed: 2,800-11,000/min. Max. Wheel Thickness: 6mm Max. Wheel Diameter: 125mm Weight: 2.7kg