INKin MATO Pen Rotary Tattoo MachineINKin MATO tattoo pen machine made of aircraft aluminum, driven by Japan Coreless Motor, designed for tattoo beginners and artists to use, weight: 270g, length x Diameter: 115mm x 25mm. This MATO Tattoo Pen Machine gives strong strike and powerful, high speed up to 10000rpm, less vibration, emulating the grip and feel of an actual pen, allows for more comfortable and precise tattooing procedures than traditional machine. Ergonomic, bullet shell,