1. 100% installed plug and play: the machine is 100% installed in the package equipped with an adapter cable and only needs to be connected to the Y-axis wiring of the laser engraving machine to engrave Cylindrical objects such as pens water bottle etc.2. Huge engraving space and 4 raising feet: SCULPFUN 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 adjustment of the shaft spacing: SCULPFUN roller adjusts the size of the space between the two shafts by sliding and fixes the shaft by turning the knob by hand which is simpler and faster than the traditional multi-stage fixing hole adjustment.4. 100% original scale high-precision engraving: SCULPFUN 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 original image in 100% proportion. Does not enlarge or reduce the image.5. Extensive compatibility: SCULPFUN roller is suitable for multiple engraving software such as lightburn or laserGRBL and it can be used directly no need to set parameters. In addition it can be applied to 95% of the engraving machines on the market such as SCULPFUN NEJE Ortur ATOMSTACK etc.6. Free useful accessories: a free soft ruler to measure the size of object; 4 free raising feet which can be used to increase the height of a variety of machines.