Specification Brand : CK Worldwide BulletPoint1 : Pure (Green) EWP/WP BulletPoint2 : Principal Oxide: None BulletPoint3 : Non-Radioactive. Good for use in Alternating Current (A/C) for aluminum alloys and magnesium alloys in low to medium amperage applications using transformer based constant current power sources only. BulletPoint4 : Balls easy, tends to spit at higher amperages. Used for non-critical welds only. ExternallyAssignedProductIdentifier1 : 0720340088550 ExternallyAssignedProductIdentifier2 : 720340088550 HandOrientation : Ambidextrous ItemName : CK T0407G Pure Tungsten Electrode .040" X 7", 10 pack ItemPackageQuantity : 10 ItemTypeKeyword : arc-welding-stick-electrodes Manufacturer : CK Worldwide Material : carbon steel PartNumber : T0407G ProductDescription : Pure Tungsten forms a clean, balled end when heated and provides good arc stability for AC welding with a balanced or unbalanced squarewave or sine wave. It is composed of 99.5% Tungsten and .5% other. Materials Welded- Aluminum and Magnesium. Package of 10 ProductSiteLaunchDate : 2018-10-04T12:00:00.000-08:00 UnitCount : 10