Universal Grinding Machine YD-M-30C 1) It can be used for grinding all kinds ... -rounded shape, or anti-cone angle Universal Grinding Machine YD-M-30C :ModelYD-M-30Cattrition scopeφ2-16mmtip angle0-180ºpowerAC 220V rotational ... , graver, drill, car knife, ball-end cutter grinding. Universal Grinding Machine YD-M-30C