... Beautiful shapes 3.Competitive Prices Item Name: Bar shape corundum whetstone hone oilstone #600 precise Other Name: Alundum ... stone, black silicon carbide oil stone, brown corundum oil stone and white corundum oil stone are our main products.Grit ... 1000# 4000# 6000#Alundum carbide sharpening stone, oil stoneIngredients: corundum, carbide silicon, china clay, feldspar and dextrin Shapes: Rectangular, ...