XJ 6090 Stone Engraving CNC Router 1,Control system,PC control 2,Engrave or cut words or ... - Working Voltage : AC220V/50Hz- Spindle Power Motor : 2.2KW, water-cooled unit- Cooling circuit : Water Pump ... 32MB- Collet : 3.175mm, 4 & 6mm each for 2 pcs- Accessories:Spanner x 3, Clamping unit 8 sets, ... Brush, Double sided tape x 2, Power cord, USB cable 2.ApplicationMarble, granite,wood,metal,etc processing ...