All of them are oil based, easy for use and avoid contamination.
Best use with the wool polishers for polishing.
Great for use on glass, metal and ceramics.

• Can be used with sharpening strop for sharpening knife, chisel, edge.
• Grit Size: 1, 2, 3, 5, 7, 10, 14, 20, 28micron.
• Medium-coarse, Fine Grinding, Final Polishing.
• Can be washed by organic solvents such us kerosene, petrol, alcohol, etc.
• Set includes 9 pieces x 40 grams each bottle.