Specification Brand : Martin BulletPoint1 : Weld-on hub for mounting a pulley or sprocket on a taper bushed bushing BulletPoint2 : Works with Martin taper bushed bushings BulletPoint3 : Steel for strength and resistance to shock BulletPoint4 : Package Dimensions: 5.63" L x 5.63" W x 3.06" H BulletPoint5 : Interchangeable with taper bushings from various manufacturers ExternallyAssignedProductIdentifier1 : 697950040394 ExternallyAssignedProductIdentifier2 : 0697950040394 ExternallyAssignedProductIdentifier3 : 00697950040394 ItemName : Martin WA30 Taper Bushed Type WA Weld-On Hub, Steel, Inch, 5.5" OD, 1.75" Length ItemPackageDimensions_Height : 7.62 centimeters ItemPackageDimensions_Length : 13.208 centimeters ItemPackageDimensions_Width : 13.462 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : taper-lock-locking-bushings Manufacturer : MARTIN Material : Steel ModelNumber : 2012 1-7/16 NumberOfItems : 1 PartNumber : WA30 ProductSiteLaunchDate : 2010-11-10T08:00:01.000Z SupplierDeclaredDgHzRegulation : unknown