Smart Laser Engraving Rotary Roller Effortlessly laser engrave cylindrical objects with this precision rotary roller. Precise Adjustment: Engrave diameters ranging from 30mm to 200mm with 3 adjustable height levels for perfect alignment. Superior Engraving: Achieve smooth, professional-quality engravings on a wide range of materials thanks to the 360-degree rotation. Wide Compatibility: Works seamlessly with most laser engravers, including ATOMSTACK, NEJE, Ortur, and TWS. Easy Installation: Simply connect the Y-axis terminal to your laser engraver – no assembly required! Includes: Laser Rotary Roller Instruction Manual Five Allen Wrenches Power Cable Two Screws Two Washers Two Accessories 100% Satisfaction Guaranteed: Customer satisfaction is our top priority. If you encounter any issues with your product, such as damage or incorrect quantity, please contact us immediately. We are committed to providing excellent customer service.