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CO2 Laser Head for K40 Series Laser Engraving Cutiing Machine Lens Dia 15/ 18mm Focal Length 50.8mm Mirror 20mm
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Leye Cloudray 12/18mm FL50.8 & 16mm FL25.4 CO2 Laser Head with Air Assist for K40 Laser Engraver Cutter - Walmart.com
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