Applicable Material:Metal Laser Type:Fiber Laser Graphic Format Supported:DXP,DWG,LAS,DXF,BMP,DST,AI,PLT Condition:New CNC or :Yes Cooling Mode:Water Cooling Certification:ISO,CE,UL,GS,CCC,SGS Warranty:1 Year After-sales Service Provided:Online support,Video technical support Diameter:22.35 37 27.9 30mm Thickness:4 7 4.1 5mm Structure Shape:Plane Lens Laser type:Fiber Laser Total Absorption:< 30PPM Transmission:> 99.5% Material:Fused Silica(FS)