Features： 1、Made of Brass: These conical nozzle shield cups are made of brass, which is resistant to high temperature and rust. 2、Strong Compatibility: Can be used for 25AK MIG MAG welding torch, suitable for Rilon, for Riland, for Jasic, for Mitech, for Longetivity, for Berlan, etc. 3、Standard Sizes: The total length of the nozzle shield cup is 57mm, with standard diameter, which is easy to install and replace. 4、High Hardness: These welding torch nozzles adopt thicker design, have higher hardness, and are safer to use. 5、Welding Consumables: Often used in the welding operation of the CO2 gas shielded welding gun, can directly replace the old or broken nozzle. Specification： Item Type: Welding Gun Nozzle Material: Brass Purpose: Can be used for 25AK MIG MAG welding torch Head Outer Diameter: Approx. 18mm / 0.7in Bottom Outer Diameter: Approx. 23mm / 0.9in Total Length: Approx. 57mm / 2.2in Package List： 5 x Welding Gun Nozzle