... machine, engraving machine grinding machine is aimed at turning tool, bit, cutter, carving knife, computer engraving machine, engraving machine, machining center, CNC, carving machine, dividing machine, marking machine ... grinder sharpener , knife grinding machine, knife sharpener Max.grinding length(mm):1500,2000, 2500, 3000,3500,4500 can be selected. grinding machine Precision type:High-precision ...