Specification Brand : Brush Research BulletPoint1 : Flexible Cylinder Hone made of Silicon Carbide BulletPoint2 : Hone is Made in USA by Brush Research Manufacturing BulletPoint3 : Hone is self centering and can be used with 3/8" or 1/2" chuck drill BulletPoint4 : Perfect for bore honing and cylinder refinishing BulletPoint5 : The hone size listed on the product is the bore it is intended to be used for (or slightly smaller bore will work) Color : #811 CompatibleMaterial : Metal ExternallyAssignedProductIdentifier1 : 0843469143525 ExternallyAssignedProductIdentifier2 : 843469143525 FitType : Universal IncludedComponents : FLEX-HONE® Tool ItemDisplayDimensions_Height : 1.8 inches ItemDisplayDimensions_Length : 11.1 inches ItemDisplayDimensions_Width : 4.3 inches ItemName : Brush Research 3 1/4" (83mm) Flex-Hone Cylinder Hone Tool 140 Grit (Silicon Carbide) ItemPackageDimensions_Height : 6 inches ItemPackageDimensions_Length : 14 inches ItemPackageDimensions_Width : 6 inches ItemPackageQuantity : 1 ItemTypeKeyword : flex-hones Manufacturer : Brush Research Material : Metal + grindstone ModelName : ICRPSTUwt3nguzhak ModelNumber : ICRPSTUwt3nguzhak NumberOfItems : 1 NumberOfPieces : 1 PackageLevel : unit PartNumber : GB314140SC ProductDescription : Specification: Item Type: Cylinder Hone Stone Material: Metal + Grinding Stone Size: Approx. 3 inch / 7.62 cm Fitment: Can use with other engine cylinder hones stone mounts