Specification Brand : Miller BulletPoint1 : High-Quality Consumables/Accesories Kit for MIG Welding Guns Compatible with Lincoln/Magnum 300 & 400 and Tweco #3 & #4 Guns BulletPoint2 : Consumables Kit includes: 2 x Series 23 Threaded Gas Nozzles + 10 x Series 14 Contact Tips + 2 x Model 52FN Gas Diffusers BulletPoint3 : Select your Contact Tips Size: 0.023" (14-23), 0.030" (14-30), 0.035" (14-35), 0.045" (14-45), or 1/16" (14-116) BulletPoint4 : Select your Nozzles Size: 3/8" (23-37), 1/2" (23-50), 5/8" (23-62), or 3/4" (23-75) BulletPoint5 : Select your accessories sizes from the menu options and check all the pictures with dimensions to make sure they will fit your MIG Gun. Color : Copper ExternallyAssignedProductIdentifier : 00840338547743 ExternallyAssignedProductIdentifier1 : 715959093484 ExternallyAssignedProductIdentifier2 : 0715959093484 ItemDisplayDimensions_Height : 1 inches ItemDisplayDimensions_Length : 9 inches ItemDisplayDimensions_Width : 7 inches ItemDisplayWeight : 10 ounces ItemName : Miller 134623 Bearing,(Idler Roll) ItemPackageDimensions_Height : 8.7122 centimeters ItemPackageDimensions_Length : 0.4064 centimeters ItemPackageDimensions_Width : 8.2042 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : mig-welding-equipment Manufacturer : Miller Electric Material : Steel ModelNumber : 134623 PartNumber : 134623 ProductDescription : No Product Data Available at this time. Package of 1 ProductSiteLaunchDate : 2010-12-27T21:37:18.395Z Size : Tip: 0.035" - Nozzle: 5/8" UnitCount : 1 UnspscCode : 31171500