Dimensions: Length 44mm, large thread diameter 10.2mm, small thread diameter 9.2mm. Measured manually; please allow slight errors. Compatibility: Compatible with Eastwood MIG 135 and MIG 175 Welders Function: Diffusion and uniform distribution of the inert shielding gas (usually a mixture of pure argon or carbon dioxide) supplied from the welding torch wire feed tube, forming a stable, uniform conical gas shield that completely covers the welding arc and molten pool area. Product Material: This product is specially designed and made of copper, ensuring a long service life and resistance to damage. Product List:Product include a total of 2pcs Gas Diffuser, which can completely meet your daily use needs and replacement., Manufacturer: AS Axis Spindleon