Mini CNC Lathe Motor speed :2000RPM, Voltage : 12VDC/2A/12W, Big slip travel : 45mm,Small slip travel : 35mm, Product Name:Mini CNC LatheModel No.: ... : 110mm,Max holding diameter of three-jaw: 13mm/45mm.step motor speed : 800mm/min,four- jaws(optional)(Diameter 48mmXheigth 40mm, ... min Nut hole size: 15mmX15mm, Max nut hole size: 18mmX18mm), machine material: brass, aluminum and such soft metal.