230V single phase with industrial power rating. 200mm wheels and 800W(230V) motor, has 36 grit and 80 grit x 25mm standard grindstones. Fitted with fully adjustable, double locking tool rests (adjustable in depth, height and distance away from the wheel) and no-volt-release safety switches. (bore size 15mm). Comes complete with an integrated dust extraction stand. Not suitable for use with wire brushes.