Feature:1. EXCELLENT PARTS: The package includes 4 auxiliary heightened posts for easy lifting of the engraving machine to fit the axes perfectly, no obstacle, engraving objects of unlimited length, for example, longer cylinders, small diameter cylinders, extra long plate engraving, super long board cutting2. 8 LEVEL ADJUSTABLE WIDTH: The diameter of the Y axes roller engraving module can be adjusted in 8 levels, the engraving diameter is as small as 4mm and as large as 100mm, hardness up to 70A3. INTEGRATED SEALING DESIGN: The turntable of the engraving machine adopts an all metal structure, and the motor is not exposed, which is more secure and stable. And the shaft can adjust the distance between the rollers by repositioning the screws according to the different sizes of cylindrical objects to fix objects of different sizes4. EASY TO INSTALL: Just replace the Y axes terminal to connect to the engraver, no assembly required, smaller size works better with most engravers5. COMPATIBLE WITH MOST ENGRAVERS: cutter rotation works with 95% of engravers on the market, including for NE, for Or, for Tws, etc., supports for XP, 7, 8, 10, for OS X and for LinuxHow to Use:Install and use directly.Specification:Item Type: RollerProduct Model: R3Power: 24WSize: Approx. 260x90x100mm/10.2x3.5x3.9inEngraving Diameter: Minimum: Approx. 4mm / 0.16in, Maximum: Approx. 100mm / 3.94inEngraving Objects: Elongated cylinder, small diameter cylinder, super long board engraving, super long board cuttingCompatible Version: The engraving roller is compatible with various mature engraving software, such as for LaserGRBL (for WindowsXP, 7, 8, 10), for LightBurn (for OS X and Linux). The engraving file format is compatible with NC, BMP, JPG, PNG, DXF, et