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....