The zenith polishing kit is for use with ferrous metals and contains the following 1 x gbf64 grey polishing compound bar for first stage polishing of steels and stainless steels to remove metal imperfections 1 x gba pink polishing compound bar is for very fine glossing of stainless steel and chrome plated components 1 x 4 x 1in stitched sisalstring buff for use with gbf64 grey polishing compound bar 1 x 4 x 1in loosefold unstitched buff for use with gba pink polishing compound bar 1 x