-The disc base is made of multilayer fiberglass, it is well balanced so it does not cause excessive vibration during operation. -The body is sufficiently flexible, so the grinding wheel operation is stable and safe.-The leaves are at equal distances from each other and the center of symmetry, so the grinding is smooth and uniform.-Application of the wheel:- Finishing profiles and flat surfaces concave as well as convex,- Satinizing and dulling,- Removal of rust, tarnish and discoloration.-Main information:- Type: T29- Diameter / bore [mm] : 125 x 22- Available grits: COARSE => MEDIUM => FINE => VERY FINE- Speed [rpm] : 12,200.