The Makita PC5010C Concrete Grinding Planer is a 125 mm (5") compact & lightweight concrete planer features a soft start constant and variable speed control function along with an ergonomically designed handle for optimum comfort throughout use. It also includes the Super Joint System II" which provides increased machine durability by absorbing the vibration produced by the wheel grinding or cutting material. Features & Benefits Constant speed controlAnti-restart functionSoft startElectronic current limiter for overload protectionVariable speed control dialSuper Joint System II" provides increased machine durability by absorbing the vibration produced by the wheel grinding or cutting materialDouble InsulationCompact and lightweight designErgonomically designed handleRemovable front cover enables user plane flush to walls or corners SpecificationsBore Diameter: 22.23mmWheel Size: 125mmNoise sound pressure: 85dB(A)Noise sound power: 96dB(A)Noi