Specification Brand : WeldingCity BulletPoint1 : 5-pk premium 53N/57N series ceramic (Alumina) cup for LARGE gas lens setup in TIG Welding Torch 9, 17, 18, 20, 25 and 26. BulletPoint2 : Available cup orifice (I.D.) and part number/nominal size: 1/2" (57N74/#8), 3/8" (57N75/#6), 3/4" (53N87/#12), 5/8" (53N88/#10) and 15/16" (53N89/Short). BulletPoint3 : Work with 45V/45VS-series LARGE gas lens collet body. TIG torch amperage 125A - 350A air-cooled and water cooled. BulletPoint4 : Package available: 5-pk for part number 57N74, 57N75, 53N87, 53N88 and 53N89. Refer to your TIG welding torch user manual for selection of correct torch parts. 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. ExternallyAssignedProductIdentifier1 : 0608729700999 ExternallyAssignedProductIdentifier2 : 608729700999 ItemDisplayWeight : 6 ounces ItemName : WeldingCity 5-pk Ceramic Cup (Alumina) 57N74 (#8 1/2") for Large Gas Lens Setup in TIG Welding Torch 9, 17, 28, 20, 25 and 26 ItemPackageDimensions_Height : 2 inches ItemPackageDimensions_Length : 6 inches ItemPackageDimensions_Width : 4 inches ItemTypeKeyword : tig-welding-equipment Manufacturer : WeldingCity.com Material : Alumina PartNumber : CVI57N74-5PK ProductDescription : 5-pk premium 53N/57N series ceramic (Alumina) cup for LARGE gas lens setup in TIG Welding Torch 9, 17, 18, 20, 25 and 26. Available cup orifice (I.D.) and part number/nominal size: 1/2" (57N74/#8), 3/8" (57N75/#6), 3/4" (53N87/#12), 5/8" (53N88/#10) and 15/16" (53N89/Short). Work with 45V/45VS-series LARGE gas lens collet body. TIG torch amperage 125A - 350A air-cooled and water cooled. Package available: 5-pk for part number 57N74, 57N75, 53N87, 53N88 and 53N89. Refer to your TIG welding torch user manual for selection of correct torch parts. Volume discount available. Buy More Save More! ProductSiteLaunchDate : 2013-07-19T20:51:48.840Z Size : 5-pk 57N74 #8