Product model: SCULPFUN Rotary Roller Product introduction: How to use: Disconnect the Y-axis motor wiring of the laser engraving machine, connect the SCULPFUN Rotary Roller to the Y-axis cable, and you can start using it. There is no need to set parameter in software, because the surface linear speed of the roller is the same as the original Y-axis speed. Available engraving space: cylinder diameter 6-150mm, cylinder length 0-230mm Compatible software: Lightburn, LaserGRBL, Benbox, GrblController, LiteFire, etc. There is no need to set up software because the surface linear velocity of the roller is the same as the original Y-axis velocity. Compatible machines: suitable for all GRBL motherboard types of engraving machines. Adjustment of shaft spacing: The shaft spacing can be adjusted steplessly by sliding, and it can be fixed by hand-tightening screws. Product packaging : Product Size: 27x22x5cm Product packaging size: 34259cm Product packaging weight: 1.5KG SCULPFUN Laser Rotary Roller packing list: 1 Roller device 1 A Type wiring 1 B Type wiring 4 raise feet 1 screw bag 1 soft ruler 1 user manual.