Laser Module Kit 450nm 80W with Air

Laser Module Kit 450nm 80W with Air Assistance,LASER TREE 10W Optical Power Laser Cutter Module Head Kit, Double Ultra-Fine Compressed Spot Compatible with Laser Engraver Cutting Machine,12V 【Top Engraver Capability】LASER TREE Engraving Module Kit Direct Engraving Mirror Stainless Steel, no need to Paint Black. Very Fast Engraving Speed, up to 300mm/s at a Focal Length of 45mm, Excellent Cutting Ability:...