Dialux Metal Polishing Compound White, Green Grey and Red 4oz 1/4b bars COLOR: GREY - Fine polishing of stainless steel COLOR: BLANC/WHITE - Bright polishing of silver. COLOR: VERT/ GREEN - Recommended for bright polishing of hard alloys such as platinum, white gold, chrome, chrome cobalt and stainless steel. COLOR: ROUGE/RED - The brightest shine for yellow gold. Also produces a brilliant shine on silver.