SCULPFUN C1 Mini Laser Engraving Machine With RA Mini Laser Rotary Roller, 3W Laser Engraver, 0.04 mm High Precision, 360° Rotation For Cylindrical Engraving
ACMER M2 Laser Rotary Roller, Laser Engraver Y-Axis Rotary 360° Roller With 4-138mm Engraving Space For Engraving Cylindrical Objects, Ring, Suitable For ACMER P1, P2 And Most Laser Engrave