Specification Brand : Brush Research BulletPoint1 : The BC Series Flex-Hone tool is designed for use on any type or size of cylinder from 4 mm up to 3 in. BulletPoint2 : Designed for surface finishing. BulletPoint3 : Cross hole deburring in brake cylinders, wheel cylinders, hydraulics, pneumatics and valve BulletPoint4 : Additional abrasive types and grits are available. BulletPoint5 : Package Quantity: 1 BulletPoint6 : [WHAT'S INCLUDED]-1 Each of a GBD Heavy Duty FLEX-HONE: 4.500"(114mm) Bore Diameter, 6" Abrasive Part Length, 0.310" Shank Diameter, 13.5" Overall Length. For Use on Bore Diameters Between 4.251"-4.500". PLEASE NOTE: ORDER BY BORE SIZE. CompatibleMaterial1 : Metal CompatibleMaterial2 : Brass CompatibleMaterial3 : Cast Iron CompatibleMaterial4 : Alloy Steel CompatibleMaterial5 : Aluminum CompatibleMaterial6 : Stainless Steel ExternallyAssignedProductIdentifier1 : 0013588005565 ExternallyAssignedProductIdentifier2 : 013588005565 FitType : Universal Fit IncludedComponents : 1PC of Honing Brush IsAssemblyRequired : 1 ItemName : Brush Research BC21218 Flex Hone 2-1/2 in. ItemPackageDimensions_Height : 4.72 inches ItemPackageDimensions_Length : 10.62 inches ItemPackageDimensions_Width : 4.72 inches ItemPackageQuantity : 1 ItemTypeKeyword : flex-hones Manufacturer : Brush Research Material : Metal Material1 : Silicon Carbide Material2 : Aluminum Oxide ModelName : HBG240PA ModelNumber : HBG240PA NumberOfItems : 1 NumberOfPieces : 1 PackageLevel : unit PartNumber : BRM-BC21218 ProductDescription : Features. The BC Series Flex-Hone tool is designed for use on any type or size of cylinder from 4 mm up to 3 in. in diameter.. Designed for surface finishing.. Cross hole deburring in brake cylinders wheel cylinders hydraulics pneumatics and valve guides.. Additional abrasive types and grits are available. ProductSiteLaunchDate : 2014-06-12T06:47:54.692Z Size : 4-1/8"(105mm) Diameter Style : 240 Grit SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 47131600 WarrantyDescription : Replacement before installation