Laser- Cylinder Engraving Module is easy to set up. The kit is to plug in and can be used for laser-processing of cylindrical objects such as cans, pens and mugs.Perfect for most desktop laser-engravers where you can adjust the Z-height or reposition the base to provide the necessary clearance for the rollers.Flexible adjustment: 5 roller positions with a distance of 15mm each. The setting range is 30-90mm. Supported workpiece dimensions: Cylinder diameter 22-125mm, length 20-220mm.(Note: If you otherwise use NEMA23 stepper motors, you must first adapt the connection cable accordingly); LaserGRBL, LightBurn, etc. support depends on which control board you are using in your desktop laser-engraver.Compatibility: Includes the required NEMA17 34mm stepper motor and is therefore directly connection-compatible when using a NEMA17 stepper motor connection cable.Material: Metalcolour: blackPackage Contents:1 x RollerOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.