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) CompatibleMaterial1 : Iron CompatibleMaterial2 : Alloy Steel CompatibleMaterial3 : Aluminum CompatibleMaterial4 : Glass CompatibleMaterial5 : Ceramic ExternallyAssignedProductIdentifier1 : 337571094146 ExternallyAssignedProductIdentifier2 : 0337571094146 ItemName : Brush Research 1 3/4" (45mm) Flex-Hone Cylinder Hone Tool 240 Grit (Silicon Carbide) ItemPackageDimensions_Height : 28.8036 centimeters ItemPackageDimensions_Length : 8.509 centimeters ItemPackageDimensions_Width : 11.9888 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : flex-hones Manufacturer : Brush Research Material : silicon carbide NumberOfItems : 1 PartNumber : BC134240SC ProductDescription : Brush Research 2 7/8" (73mm) Flex-Hone Cylinder Hone Tool 240 Grit (Silicon Carbide) ProductSiteLaunchDate : 2010-01-30T01:31:51.000-00:00 Size : 1 SET SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 25170000