1、Pre Assembled for Plug and Play: The machine is installed in the package, equipped with an adapter cable, and only needs to be connected to the Y axis wiring of the engraving machine to engrave cylindrical objects, such as pens, water bottle, etc. 2、Large Engraving Space and 4 Raising Feet: Roller base design is lower and stable, and equipped with 4 sturdy metal raising feet, so that it has a larger engraving diameter of 6‑150mm, which can meet more engravings need. Metal feet are more solid than plastic feet, and the machine is more stable when engraving. 3、Sliding Space Adjustment: Adjusts the size of the space between the 2 rubber rollers by sliding, and fixes the roller by hand screw, which is simpler and faster than the traditional multi stage fixing hole adjustment. 4、High Accuracy Engraving: Our roller adopts high friction 70A rubber shaft to prevent slipping, and the linear speed of the rotating surface has been precisely calculated. Directly plug in the engraving machine cable to engrave the image in full scale. Does not enlarge or reduce the image. 5、Wide Compatibility: The roller is suitable for multiple engraving software such as lightburn, and it can be used directly, no need to set parameters in software. In addition, it can be applied to 95% of the engraving machines on the market such as for NEJE, for Ortur, etc. Item Type: Y Axis Rotating Roller Material: Aluminium alloy Size: Approx. 27x22x5cm/10.62x8.66x1.96in 1 x Roller Device 1 x A Type Wiring 1 x B Type Wiring 4 x Raise Feet 1 x Screw Bag 1 x Soft Ruler 1 x User Manual