Gold-Coated Silicon Laser Engraving Mirror Set (Exclude the k45+, Polar +, Polar Lite) Diameter:25 mm (±0.10 mm) 1 gallon CO2 laser antifreeze

1 gallon CO2 laser antifreeze coolant protects your laser tube from freezing or bursting

a strong 2 year warranty

debris such as smoke and dust land on your mirrors

5 cm) bed with a built-in workspace grid and external laser locator for fast and exact calibration and focusing

Gold-Coated Silicon Laser Engraving Mirror Set (Exclude the k45+, Polar +, Polar Lite) Diameter:25 mm (±0.10 mm) 1 gallon CO2 laser antifreezeIncrease engraving efficiency with Orion Motor Techs precision engineered silicon gold coated mirrors! This set of 3 high transmittance gold coated silicon mirrors replaces worn or less precise mirrors in any standard CO2 laser engraver cutter machine from K40 boxes to 200W industrial equipment. Our new generation of Si laser mirrors is manufactured to offer superior scratch and heat resistance with greater than 99. 2% reflectivity for infrared light