Features Easy to Install: 0.8mm aperture laser cutting nozzle, with 28mm outer diameter, 15mm height and 11mm thread specification, easy to install and replace. Professional Made: High temperature quenching and heat treatment to strengthen the overall hardness, the cutting nozzle is not easy to break or wear during processing. Premium Metal Material: The cutting nozzle is made of excellent copper material, the surface is smooth without burrs, corrosion and wear resistant. Reliable Performance: After fine workmanship, the copper welding nozzle has strong wear resistance and high temperature resistance, with a long service life. Easy to Replace: This nozzle is suitable for most metal fiber laser cutting machines, easy to replace, with low loss anti reflectanc and high efficiency. Specification: Item Type: Laser Cutting Nozzle Model: Single Layer 0.8 Aperture: 0.8mm Material: Copper Usage: Laser cutting accessories Outer Diameter: Approx. 28mm / 1.1in Height: Approx. 15mm / 0.6in Thread Specification: Approx. 11mm / 0.4in Working Pressure: 1000Mpa Working Temperature: 1083℃ Scope of Application: Metal optical fiber laser cutting machine Package List: 1 x Nozzle Package List 1 x Nozzle