New Top High Quality Aluminum Alloy Rotary Motor Tattoo Machine Gun Shader Liner Blue (101972) The machine using the latest technology, you can adjust the voltage from 6~8 to fit for liner or shader. Quality material, small volume, light weight, excellent performance. The frame of this machine is made of high quality aluminum alloy. It can be used with all kinds of grips and needles. Lightweight, unwarming and low vibrations, can work a long time without hand-tired.