Mechanical mechanism guarantees that relief face is grinded to be a standard circular cone and to become many kinds of form; ModelDG25 (DW125M)RangeØ2-25mmTop-angle90º-180ºRelief-angle0-15ºForm of bitNormal bit, Two relief-angles, bit for sheet metal, Bit for wood, Cross cutting, NizhiFu bit, Two top-angles, Step bitPower380V 500W 50HZSpeed2800r/minEmery wheelØ125x Ø 20x32Out ...