Wide compatibility】Comgrow rotary laser engraver is applicable to Laser engraving machine and 3D Priter. Work with COMGO Z1, ROBO CNC laser, Comgrow Laser Master, Creality 3D printer Ender 3 and most other brand laser engraver.Note the description in Figure 3 【Easy Setup and Use】Ready to use laser rotary roller after unpacking, Connect to laser engraving machine simply by replacing Y-axis terminal, no assembling needed, smaller size to better work with most laser engravers. 【Perfectly matched with engraving machine to engrave round objects】The One-piece rubber laser engraver rotary, hardness up to 70A, stronger friction, allowing you to perform 360-degree engravings on round or cylindrical objects such as cups, pen,bottles, pipes, bowls, drums and tubes and over-length plate engraving or cutting. 【Engraving Table Height】 This aluminum rotary laser engraver has a height of 2.36”. Please ensure the space between your machine’s laser head and engraving table can accommodate this added height. Adjustable axes distance up to 3.39” to process a wide range of cylinder diameters.