This is a tool compatible with laser engraving machine, which can help you get rid of the simple flate engraving and easy to realize 360 engraving;4-Axis rotary Simultaneously, flexible meet any size cylinder. Features: 360 Engrave --- This rotary axis can be easily realize 360 degree engraving, not limited in the flate engraving. You can safety and effortlessly engraving cylindrical items with laser engraving machine. High Efficiency --- 4 rotary axis work simultaneously, Automatically synchronize the rotation of engraving content, no need manual work, labor-saving and less engraving mistake. Premium Quality --- Adopt all-metal material which is High quality exquisite. Premium leather belt ensure stable and flexible work and low noise. High Performance --- High stationarity, no longerlose any step. Rolling engraving, easy to load and unload, time-saving. Wide Application --- Used to carve cylinders of various sizes. Specifications: Color: Black Material: Metal Roller Length: 260mm Roller Spacing: 4-step adjustable (4-74mm adjustable) Item Size: 30.2 * 15 * 7 cm / 11.89 * 5.91 * 2.76 inch Item Weight: 1010g / 35.63oz Package Size: 37.5 * 19.2 * 10.2 cm / 14.76 * 7.56 * 4.02 inch Package Weight: 1282g / 45.22oz Package List: 1 * Rotation Axis 1 * Connecting Cable 1 * L type small Wrench