... Bar shape corundum whetstone hone oilstone #600 precise Other Name: Alundum sharpening tool, Abbrasive stone, grinder, whetstone, hone Advantages: ... 320# 400# 500# 1000# 4000# 6000#Alundum carbide sharpening stone, oil stoneIngredients: corundum, carbide silicon, china clay, ... stone/ oil stone / sharpening stone, please view our relative catagory Bar shape corundum whetstone hone oilstone #600 precise ...