These pads go with the Quartz Renew Polishing Compounds. That kit comes with a snake skin revealer, a resin polish, and also a final polish. It is recommended that these pads are used with those compounds for optimal results.
The grey knitted lambswool pad goes with the snake skin revealer compound
The green dual action foam pad goes with the resin polish
The white dual action prepolymer pad goes with the final polish