Cloudray 12/18mm FL50.8 & 16mm FL25.4 Laser Head With Air Assist For K40 Laser Engraver Cutter

Product description <img alt="Cloudray 12/18mm FL50.8 &amp; 16mm FL25.4 Laser Head with Lens Mirror for K40 Laser Engraver Cutter(" src="https://m.media-amazon.com/images/S/aplus-media-library-service-media/6d247309-464f-4234-918e-4a764abeebbf.__CR0,0,600,450_PT0_SX600_V1___.jpg"/> CO2 Engraving K40 Cutter Head Support for three kind focus lens : D12 FL50.8 / D18 FL50.8 /D16 FL25.4 <img alt="Cloudray 12/18mm FL50.8; 16mm FL25.4 Laser Head with Lens Mirror for K40 Laser Engraver Cutter(" src="https://m.media-amazon.com/images/S/aplus-media-library-service-media/f9dd2a90-265d-43e4-b950-e06ddcf99526.__CR0,0,800,600_PT0_SX800_V1___.jpg"/> K40 Cutter Product Structure The 12mm FL50.8mm focusing lens needs to be installed with a ring When install the 18mm FL50.8mm focal lens ,pls take away the ring Please pay attention to the installation positions of different diameter focusing lenses Note: Focus lens and mirrors are NOT included <img alt="Cloudray 12/18mm FL50.8; 16mm FL25.4 Laser Head with Lens Mirror for K40 Laser Engraver Cutter(" src="https://m.media-amazon.com/images/S/aplus-media-library-service-media/72506fcd-c39d-4a6e-903d-8faa06d4cb09.__CR0,0,800,600_PT0_SX800_V1___.jpg"/> K40 Cutter Product Structure Aluminum Material With Blue Oxide Coating;Air plug outer diameter: 5.0mm This k40 cutter head can work with K40 engraving machine ,when the fixed bracket to which the moving axis of the cutter is connected is M22 or M23;Pls keep in mind that not all K40 lasers are the same bracketing and setup <img alt="Cloudray 12/18mm FL50.8 &amp;amp; 16mm FL25.4 Laser Head with Lens Mirror for K40 Laser Engraver Cutter(" src="https://m.media-amazon.com/images/S/aplus-media-library-service-media/77469e29-8fed-4f41-8f9a-00952811f9e0.__CR0,225,1800,1350_PT0_SX800_V1___.jpg"/>