Focus Lens for CO2 CNC Laser Machine Parts Jinan Dekcel CNC Equipment Co., Ltd. Base Info Model NO.:20mm diameterDiameter:20mmTrademark:DEKCELSpecification:CE StandardOrigin:Shandong Jinan China Description Pre:Stainless Steel Sheet CNC Fiber Laser Marking Machine Next:Reflector Mirror CO2 Laser Cutting Engraving Dia. 25mm