555 spindle motor(diameter:35.5mm). Diameter 3.175 (Contains 3 pcs). This machine uses specially developed engraving integrated mainboard with customized software, features are much better than similar models. This machine can engrave wood, plastic, acrylic, PCB copper-clad plate, soft metal such as aluminum and copper. Drill bit can not engrave hard metal, jade or other hard materials.The item "CNC 2417 Diy engraving machine 3axis mini Pcb Pvc Milling metal and wood Carving" is in sale since Tuesday, February 13, 2018. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Woodworking Tools & Supplies\Equipment & Machinery\Other Woodworking Equipment". The seller is "wild*things*on*sales" and is located in Hong Kong. This item can be shipped worldwide.