xTool RA2 Pro for xTool Click HERE for more information! Suitable for 90% Daily Use Cylindrical Objects - xTool RA2 Pro is the WORLD'S FIRST 4-in-1 laser rotary attachment, including Roller Rotary, Chuck Rotary, Sphere-Engraving Module and Ring-Engraving Stud. You can unleash your creativity on almost all cylinders by changing accessories, such as wine glass, yeti tumbler, baseball bat, ring, ball, or mug with handle.