Features: 4-in-1 Laser Rotary Module Attachment: including roller rotary, chuck rotary, sphere-engraving module and ring-engraving stud, suitable for most cylindrical objects, such as wine glass, tumbler, baseball bat, rings by changing accessories. Higher Speed and Precised Engraving: it can hold the object tightly with soft-pad cover jaws chuck, and prevent brittle objects from breaking, while achieving stable and efficient operation, and the engraving speed can reach up to 360 °/second, up to 0.45° precise control for jaw-dropping accuracy. Quality Material: anodized aluminum alloy with corrosion-resistant coating to ensure long-term & reliable use. Wide Compatibility: suitable for TT/TTS/TS2 and most laser engravers in the market, compatible with wide range of software: Laserbox Basic, LaserGRBL, or LightBurn. Better Experiences: one rotarymakes all easy engraving, intelligent mechanical structure design makes it easier to adjust the support module height and the chuck diameter, now just take few minutes to switch the mounting combination to work with the sculpted item you want. Specifications: Material: Metal Length: Approx. 40cm/15.74inch Engrave Diameter Range (Use additional risers) Roller-rotary: 5mm-150mm Chuck-rotary: 1mm-115mm Sphere-rotary: 50mm-105mm Ring-rotary: 15mm-110mm Chuck Rotary: Radio: 5.7:1 Diameter: 26-140mm Package Includes: 1x Y-axis 4-in-1 Rotary Roller note: Please allow 0-1cm error due to manual measurement. make sure you do not mind before you order. Please allow slight chromatic aberration due to different display resolutions.