The zenith polishing kit is for use with non ferrous metals and contains the following 1 x gbt72 brown polishing compound bar for the first stage polishing of brass copper and aluminium 1 x gba 12b blue polishing compound bar for the final glossing of above ferrous metals 1 x 4 x 1in stitched calico buff for use with gbt72 brown polishing compound bar 1 x 4 x 1in loosefold unstitched buff for use with gba 12b blue polishing compound bar 1 x pigtail