cnc machine 4540 mini router bearning type body apply to process ... ragidity,more smoothly running and less vibration for whole machine;Imported rolling ball screw for X,Y and Z ... Cast iron table Water cooling system Vacuum system Accessories: Engraving tools, Blade holder, 3 core spindle wire,4 core wire, ... hexagonal wrench, cross screwdriver, RS-232 wire, control card cnc machine 4540 mini router