!!<>!!What is this kit used for:!!<>!! The GP kit contains two polishing steps. Removes very light marks/scratches and takes you to a bright finish. One mop for each compound keeps the polishing simple and gets results. If the condition of the metal is not too bad then it is an ideal kit for getting the shine back on the metal. !!<>!!What metals can I use this kit for:!!<>!! Alloy, steel, stainess steel, copper, brass, titanium, iron and zinc. !!<>!!What does the kit contain:!!<>!! 1 x 4"x1/2" White Mop (100mm x 13mm) 1 x 4"x1/2" G Mop (100mm x 13mm) 1 x 100 gram Bar Green Compound 1 x 100 gram Bar Blue Compound 1 x Standard Mop Taper 1 x Instructions