Check the listing for details. CNC laser Engraver Y-axis Rotary Roller Engraving Module for Cylindrical Objects. Condition: New. Listed at 83.66 USD. ●[Engrave on Cylindrical Surfaces]This rotary shaft attachment works perfectly with your engraving machine, allowing you to easily engrave on cylindrical surfaces or round objects such as bottles, pipes, pipes, bowls, etc. in 360 degrees. ●[nema17 stepper motor]This rotary tool accessory uses a 2-phase stepper motor with 4 leads and a 4 pin aviation plug. You just need to connect the 4 wires of this rotary tool to the dedicated port of the engraving machine and configure the settings in the software to start engraving. ●[Double-roller rotating shaft]The rollers are thickened and high-quality wear-resistant materials are used to increase the friction force and have a better clamping effect. Concentric and constant speed rotation, no defocusing at the cylindrical engraving. The engraved position of the cylinder is always at the focal point of the focusing mirror. ●[Durable Construction]Our rotating shaft is made of high quality aluminum. Thicken and widen the bottom plate, the work is more stable. It can be adjusted according to the diameter of the engraved object. Low working noise and high efficiency. ●[High Compatibility]Equipped with 4pin motor cable and 4pin aviation plug, compatible with two-axis laser engraving machines, co2 laser engraving machines, and optical fiber engraving machines on the market. Make sure the cable fits before buying. Minimumprocessinglength：50mm Maximumprocessinglength：400mm Minimumclampingdiameter：10mm Maximumclampingdiameter：100mm Twomodelsareavailable,thecoloroftherollerandthesizeoftheacrylicplatebasearedifferent. Usage： 1.Pulloutthe4-pinwireonYaxissteppermotorofEngraver. 2.TheninsertthewireonsteppermotorofRotateEngravingModule. 3.PlaceRotateEngravingModuleunderthelasermoduleandstarttoengrave.(NeedtochangeparameterofYaxisonGRBLsoftware)