Specification Brand : Flex-Hone BulletPoint1 : [QUALITY]-Proudly Made in the USA. Quality and consistency you can count on made from the inventors and makers of the tool. BulletPoint2 : [DESIGN]-The FLEX-HONE is intentionally manufactured oversized. This engineered oversize creates the optimal amount of pressure inside the cylinder wall allowing the tool to be self-centering, self-aligning and self-compensating for wear and easy use. BulletPoint3 : [FINISHING BENEFITS]-Offered in a wide variety of grits to achieve specific finishing tolerances as well as a beautiful crosshatch finish. Ideal for rebuilding hydraulic and pneumatic cylinders, engine and brake cylinders, valve guides, pumps, compressors and more. BulletPoint4 : [CROSSHOLE DEBURRING]-Accomplish finishing and deburring simultaneously in a single setup. Can be used in virtually any rotating spindle from a hand drill, drill press or CNC equipment. BulletPoint5 : [240 GRIT ALUMINUM OXIDE ABRASIVE]-Excellent on Aluminum, Brass, Bronze, and softer non-ferrous materials. 240 AO is commonly used for deglazing Nikasil cylinders. Typically achieves a finish of 24 - 32 Microinch (.6 - .8 Micrometer). BulletPoint6 : [WHAT'S INCLUDED]-1 Each of a GBD Heavy Duty FLEX-HONE: 4.000"(102mm) Bore Diameter, 6" Abrasive Part Length, 0.310" Shank Diameter, 13.5" Overall Length. For Use on Bore Diameters Between 3.751"-4.000". PLEASE NOTE: ORDER BY BORE SIZE. Color : Red CompatibleMaterial : Metal CompatibleMaterial1 : Aluminum CompatibleMaterial2 : Brass CompatibleMaterial3 : Bronze CompatibleMaterial4 : Softer Non-Ferrous Materials CompatibleMaterial5 : Nikasil Cylinders ExternallyAssignedProductIdentifier : 5013035100640 ExternallyAssignedProductIdentifier1 : 843469149848 ExternallyAssignedProductIdentifier2 : 0843469149848 FitType : Universal GpsrSafetyAttestation : 1 IncludedComponents : GBD 4" (101MM) 240AO FLEX-HONE ItemName : Brush Research GBD400240AO FLEX-HONE®, 4"(101mm) Diameter, 240 Grit, Aluminum Oxide,For Aluminum, Brass, Bronze and Softer Non-Ferrous Materials ItemPackageDimensions_Height : 35.6108 centimeters ItemPackageDimensions_Length : 12.5984 centimeters ItemPackageDimensions_Width : 12.7 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : flex-hones Manufacturer : Brush Research Manufacturing Material : Aluminum Oxide ModelName : FLEX-HONE Tool ModelNumber : WPEHONEKIT NumberOfItems : 1 NumberOfPieces : 1 PackageLevel : unit PartNumber : GBD400240AO ProductDescription : Easy to use cylinder hone that can attach to a standard hand drill or drill press. ProductSiteLaunchDate : 2012-04-09T08:00:01.000Z Size : 4.000"(102mm) Style : 240 Grit SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 31191600