Specification Brand : Gritomatic BulletPoint : Whetstone BulletPoint1 : Ultra fine natural sharpening stone, estimated 8000 grit JIS BulletPoint2 : Should be used with honing oil BulletPoint3 : Compatible with KME and Hapstone BulletPoint4 : Custom made and lapped by Gritomatic BulletPoint5 : Mounted on 102 x 25 mm (4" x 1") aluminum blank Color : Brown CompatibleMaterial : Stone ExternallyAssignedProductIdentifier1 : 0767344209536 ExternallyAssignedProductIdentifier2 : 767344209536 ItemName : Jasper Whetstone (4" x 1" x 0.25" Russian Natural Sharpening Stone with Aluminum Mounting of Estimated 8,000 grit) for KME ItemPackageDimensions_Height : 1.6 centimeters ItemPackageDimensions_Length : 15.8 centimeters ItemPackageDimensions_Width : 6 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : sharpening-stones Manufacturer : Gritomatic Material : Stone ModelNumber : JASPER-KMEX PartNumber : JASPER-KMEX ProductDescription : Jasper sharpening stones are used for finish sharpening and honing knives on Hapstone and KME knife sharpeners. Jasper is a naturally abrasive material of high density. Jasper is mined in the Ural mountains in Russia. Jasper is a dense, opaque variery of cryptocrystalline chalcedony, contains significant proportion of Fe-oxides and hydroxides. Jasper does not consist of individual abrasive grains of the same size. A Jasper microquartz structure consists of a fused crystal grains of different sizes. ProductSiteLaunchDate : 2019-02-16T10:56:56.304Z SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1