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) CoarsenessRating : 400 CompatibleMaterial : Steel, Nikasil CompatibleMaterial1 : Metal CompatibleMaterial2 : Alloy Steel CompatibleMaterial3 : Nickel ExternallyAssignedProductIdentifier1 : 843469100436 ExternallyAssignedProductIdentifier2 : 0843469100436 IncludedComponents : BC 7MM 800SC 1911 MAIN SPRING HOUSING ItemName : Brush Research 1 1/4" (31.8mm) Flex-Hone Cylinder Hone Tool 120 Grit (Silicon Carbide) ItemPackageDimensions_Height : 3 inches ItemPackageDimensions_Length : 11.5 inches ItemPackageDimensions_Width : 4.75 inches ItemPackageQuantity : 1 ItemTypeKeyword : flex-hones Manufacturer : Brush Research Material : silicon carbide MaximumRotationalSpeed : 1200 rpm ModelName : FLEX-HONE for Firearms ModelNumber : 00910 NumberOfItems : 1 PackageLevel : unit PartNumber : BC114120SC ProductDescription : The Flex-Hone tool is a surface refinishing tool that will is used to refinish and restore cylinder bores. The surface finish is dependant on the grit used. The tool is used for applications like engine rebuilding, hydraulic cylinders, brake rebuilding and general machining operations. Flex-Hone Tool can be used with honing oil or engine oil. If honing hydraulic cylinders use the intended hydraulic fluid for the lubricant. ProductSiteLaunchDate : 2018-02-12T18:08:49.659Z Size : 7 millimeters StreetDate : 2017-11-25T00:00:01Z Style : 800 Grit SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 25170000