Oil stone:

1)     Carbon silicon oil stone, grinding wheels one color oil stone with different color

2)     Packing: 1pcs/box, 50boxes/ carton

3)     Size: 150x75x20mm, 100x50x25mm, 200x50x25mm

        8"x2"x1", 6"x2"x1", 4"x2"x2"

4)     Material: alumina, carbide, corundum