Specification Brand : Lincoln Electric BulletPoint : Sold on Amazon BulletPoint1 : 5-pcs premium gas nozzles (4295, 4391, 4392, 4393, 4394, 4491, 4492, 4591 and 4592) for Bernard 200-600A Q/S series MIG welding guns using elliptical consumables. BulletPoint2 : Gas nozzles (copper and brass) use for Bernard elliptical MIG gun consumables to allow contact tip to work adjustable and longer distance, as well as fast and easy changeover. BulletPoint3 : Nozzle 4295, 4391, 4392, 4393 and 4394 work with contact tip 7400/4200/1500 series and gas diffuser 4235/4335. Nozzle 4491, 4492, 4591 and 4592 work with contact tip 7400/1500 series and gas diffuser 4435/4635. See listed part-breakdown chart for nozzle orifice, material and gas diffuser/contact tip compatibility. BulletPoint4 : Refer to your MIG welding gun user manual for selection of correct gas nozzle. Pack of 5-pcs nozzles. Volume discount available. Buy More Save More! BulletPoint5 : U.S. based welding and hardware supplier. Strong technical support with experienced customer service to address buyer's any question. Color : Brown ExteriorFinish : Brass ExternallyAssignedProductIdentifier1 : 0015082593517 ExternallyAssignedProductIdentifier2 : 015082593517 ExternallyAssignedProductIdentifier3 : 00725636400283 IncludedComponents : MIG Wire Welding Nozzle ItemDisplayWeight : 12 ounces ItemName : Lincoln Electric K4104-1 Power MIG 210Mp Amptrol Adapter ItemPackageDimensions_Height : 2 inches ItemPackageDimensions_Length : 8 inches ItemPackageDimensions_Width : 6 inches ItemPackageQuantity : 1 ItemTypeKeyword : mig-welding-equipment Manufacturer : Lincoln Electric Accessories Material : Brass MeasurementSystem : Metric ModelNumber : KH725 NumberOfItems : 1 PartNumber : K4104-1 Pattern : 014.0023 20pk ProductDescription : Lincoln Foot Amptrol Adapter Kit - (K4104-1)