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