Pneumatic Engraver + Micromotor - Air Do X by SmartproIntroducing the Air Do X, a powerful, precise, pneumatic graver system with micromotor that is perfect for any jewelry maker or designer. Here are some of the features and benefits of this amazing tool: No need for a compressor, as the system is self contained Can handle any task, from deep hard metal carving to fine engraving Efficiently handles deep drilling and burring in metal Comes with everything you need for diamond setting and engraving 2 in 1