Features 1、Double-layer nozzles are usually used for oxidative cutting, cutting carbon steel with oxygen as auxiliary gas 2、The laser nozzle has excellent electrical and thermal conductivity, high hardness and corrosion resistance 3、High processing accuracy, no burrs and fast cutting speed 4、Fast cutting speed, high surface finish and long service life 5、Made of high quality brass material, durable and not easy to damage Specification Item Type: Laser Nozzle Material: Brass Size: Approx. 28mm / 1.1in Height: Approx. 15mm / 0.6in Thread: M11 Specifications(optional): 2.0mm, 2.5mm, 3.0mm Application: For fiber laser cutting head and fiber laser cutting engraving machine. OEM consumption / replacement parts for Precitec fiber laser heads Package List 1 x Laser Nozzle