... , #600 2.Beautiful shapes 3.Competitive Prices Item Name: Bar shape corundum whetstone hone oilstone #600 precise Other Name: Alundum ... silicon, china clay, feldspar and dextrin Shapes: Rectangular, square, boat, bar; We can do oil stone with handle Production process: Mixture ... / oil stone / sharpening stone, please view our relative catagory Bar shape corundum whetstone hone oilstone #600 precise