LONGER Rotary Roller Kit Widely Compatible with RAY5, B1, and Most Laser engravers. Ideal Tool for Engraving cylinders, tumblers, Cups. Perfect Accessory DIY Engraving.

Compatible and versatile: Two connectivity options to choose from! The white plug cable is compatible with Longer laser engravers and 95% of laser engravers on the market. The black connector cable is for the remaining 20% of engravers. Note: If the white plug cable doesn’t work, try the black connector cable. 360° Automatic Rotary Wheel: Unlock endless possibilities with the innovative 360° automatic rotary wheel, allowing effortless engraving on irregular cylindrical objects like wine glasses, mugs, and more. Make your creations truly unique with personalized engravings. Stable Support and Precise Positioning: The powerful support system and precise rotary cylinder positioning ensure stable and accurate engraving. Say goodbye to errors and achieve perfect results every time. DURABLE AND RELIABLE: The rotary roller upgrade kit is built for long-lasting performance and reliability. Made from high-quality materials, it can withstand continuous use, making it an ideal tool for both professionals and beginners. ADJUSTABLE HEIGHT: The adjustable height range easily accommodates objects of different sizes, providing the flexibility you need for a wide variety of projects. From small jewelry to tall vases, this rotary roller upgrade kit covers it all.