ATOMSTACK R3 Pro Laser Rotation Roller, Aluminium 360°
ATOMSTACK R3 Pro Laser Rotation Roller, Aluminium 360° Rotary Roller Laser Engraving Module with 2 Support Shaft, 4 Raiser Pads Suitable for 95% of Engraving Machines Cylindrical Object Boxes Features:1. The diameter is adjustable in 8 gears, and the engraving diameter is as small as 4mm/0.16″.2. Concentric design, free to adjust the timing belt.3. All metal structure, safe and stable.4. Closed design, the motor is not exposed, which is safer.5. Roller protruding design, barrier-free, the length of the engraving is not limited.6. One-piece rubber roller, hardness up to 70A, stronger friction, more stable engraving process.7. Engraving: lengthened cylinder, small diameter...