USER BENEFITS:Microprocessor electronics: with speed selection and constant speed control, soft start, overload protection.Working width adjustable: 7 stages from approx. 55 mm to 130 mm.Guide: continuously adjustable for precise work along stone edges.Dust extraction: for use even in inhabited buildings.Fitted with 80 aggressive carbide tips, the power tool rapidly and precisely copes with all roughening work.Sits comfortably in the hand and has a grip guard and a shaft handle, making it easy to guide.Rotating tool head on rubber bearings, reducing noise and vibration and increasing the life of the drive unit.