The Zenith polishing kit is for use with Ferrous Metals and contains the following 1 x GBF/64 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 Sisal/String Buff for use with GBF/64 Grey Polishing Compound Bar. 1 x 4 x 1in Loosefold (Unstitched) Buff for use with GBA Pink Polishing Compound Bar. 1 x Pigtail.