Features: Single-layer nozzles cut stainless steel plates, aluminum plates, copper plates, etc. with nitrogen and assist gas. The nozzle can help cutting the plate and reduce the risk. The nozzle is made of fine material,durable and has long service life. The nozzle is stable and has great performance while using. Professional and practical design with beautiful appearance, easy to use. Specification: Caliber: 1.0mm/1.5mm/2.0mm/2.5mm/3.0mm(Optional) Package List: 1*Laser Nozzle Package List 1Single-layer nozzles cut stainless steel plates, aluminum plates, copper plates, etc. with nitrogen and assist gas. 2The nozzle can help cutting the plate and reduce the risk. 3The nozzle is made of fine material,durable and has long service life. 4The nozzle is stable and has great performance while using. 5Professional and practical design with beautiful appearance, easy to use.