Cloudray Laser Nozzle Double Layers Dia.32mm Caliber 0.8-4.0 for Raytools Empower BT230/240 1064nm Fiber Laser Cutting Head 1PCS Go to amazon.com Related posts Which is the best raytools laser nozzle? FeatureDiameter: 32mmHeight: 15mmDouble LayerOptional Caliber: 0.8-4mmUsed for Raytools Empower BT230/240 1064nm FIBER Laser Cutting Head DescriptionPacking List Laser Nozzle*1PCS