Co2 Laser Tube Holder Mount Diameter 80mm for 75-180W Laser Engraver – OMTech Laser
Quarton QLM-1125 Laser Module Mount Holder
Fixed and Tip/Tilt Cylindrical Laser Rod Mounts
Wavetopsign Co2 Laser Tube Holder Support Mount Flexible Plastic 50-80mm For 50-180w Laser Engraving Cutting Machine 1 Pair 2pcs - Tool Parts - AliExpress