Specification Brand : John R. Robinson INC. BulletPoint : Manufacturer part number 12314610631 BulletPoint1 : 2.750" Long BulletPoint2 : 3/4" x 15-22 BWG BulletPoint3 : 7/8" x 15-22 BWG BulletPoint4 : For best seal insert plugs into clean, dry tubes. Simply drive a plug into each end of the leaking tube with light hammer blows. BulletPoint5 : [Installation] - It is easy to use and does not require any tools. You can manually install it in a few minutes. Color : Gold ConnectorType : Plug ExteriorFinish : Brass ExternallyAssignedProductIdentifier : 4883943141742 ExternallyAssignedProductIdentifier1 : 0663151364171 ExternallyAssignedProductIdentifier2 : 663151364171 ItemDisplayDimensions_Length : 3 inches ItemDisplayDimensions_Width : 3 inches ItemName : Brass, Tapered Tube Plugs, Small End Dia, .550" Large End Dia .750" (Pack of 50) ItemPackageDimensions_Height : 0.2 inches ItemPackageDimensions_Length : 7 inches ItemPackageDimensions_Width : 5 inches ItemPackageQuantity : 4 ItemShape : plug ItemTypeKeyword : hardware-biscuits Manufacturer : John R. Robinson INC. Material : Brass ModelNumber : 12314610631 NumberOfItems : 50 NumberOfPieces : 50 PartNumber : JRRBT26B7.50 ProductDescription : Tapered Tube Plugs are ideal for sealing leaky tubes in condensers, heat exchangers, and chillers. For best seal insert plugs into clean, dry tubes. ROBINSON recommends the tube plug and tube material be the same or compatible. ProductSiteLaunchDate : 2016-09-14T13:21:59.357Z Size : 50 Pack SupplierDeclaredDgHzRegulation : unknown UnitCount : 50 UnspscCode : 40141700