line10 tools buffing and polishing compound for metal, set of 6 line10 tools <b>#1 black buffing compound :</b> ideal for heavy duty cleaning of hard metals, such as iron, stainless steel <br> </br> <b>#2 grey buffing compound :</b> ideal for medium cleaning, buffing and scratch removal of hard metals such as iron, stainless steel and aluminum alloys <br> </br> <b>#3 brown buffing compound :</b> ideal for cleaning, buffing and scratch removal of soft metals such as brass, copper, tin, pewter <br> </br> <b>#4 red buffing compound ideal for:</b> cleaning and buffing of precious metals such as gold and silver, also known as jewelers rouge <br> </br> <b>#5 white polishing compound :</b> ideal for polishing of hard and soft metals to high gloss finish <br> </br> <b>#6 green polishing compound : </b>ideal for polishing all types of metals including precious metals, #6 is the finest and can be used as a second polishing step after #5.