co2 laser tubes:high power, good beam spot,competitive price, which are applied to laser engraving, laser cutting.etc. Beijing EFR Laser S&T Co., Ltd, is ... the pricipal "Quality First,Credit First".1.stable laser mode spot. 2. High power3. Long life-time4. Applied to laser engraving, laser cutting, laser carving, laser drilling,etc ... )CL-1250Ø55×125065 7022CL-1200Ø55×120060 7022 co2 laser tube 60W