OXMAN CNC Engraver Mechanical Kit-Ball Screw Driven with 2.2Nm Close Loop Motors. Terms of Sale (VAT). Return must include all original package and accesorries, item must in good condition. We will work with you to until you are satisfied. We will try our best to solve your problem to your satisfaction. We are always here with you! Our working time is 8 :30AM – 6:30PM from Monday – Friday.