Feature: 1. ▶ Application: Suitable for 95% laser engravers in the market such as NEJE/XTOOL/ORTUR; Compatible with Swiitol Laser Engravers C18 PRO\\C24 PRO\\E6 PRO\\E18 PRO\\E24 PRO, SCULPFUN S9,S10,S30 series and S30 ULTRA series, Atomstack A10 V2, A5 V2,Two trees TTS-5.5W,10W, 20W, etc. This machine can work directly with the engraver on materials with a cylindrical shape. According to the cable attachment, the machine can work with mainly engrave on material with a cylindrical shape. 2. ▶ The Rollers can be set at 4 different distances, 4-138mm adjustable range, easy to be adjusted without the use of wrench screwdriver. Support 195mm cylinder length objects. 3. ▶ Perfect for Engraving Cylindrical Objects - Place your cylindrical work stably on the rotary roller and connect it with the engraver. It\u0027s suitable for engraving cans, wine bottles, cups, curved crafts, and more. 4. ▶ The roller shaft is all metal structure, one-piece rubber roller, the hardness reaches 60A, the friction force is stronger, and the engraving process is more stable. 5. ▶ Easy to operate: no need to install, connect the rotary roller with the engraver as soon as out of the box. Specification: Specification: Main Material: Metal, Rubber Package Size: 295x190x80mm / 11.6 x 7.4 x 3.1in Package Weight: 1016g / 2.2lb. Package List: 1 x Rotary Roller Kit