Rupes Zephir Gloss Coarse Gel Compound is the 1st step in the Rupes Big Foot Polishing System. This ultra-heavy cut compound utilizes advanced abrasive technology that quickly eliminates up to 1500 grit sanding marks on fresh paint while leaving minimal haze. Rupes Zephir Gloss Coarse Gel Compound is designed to be used with a Rupes Blue Coarse Foam Pad on a Rupes Big Foot Random Orbital Polisher. VOC Compliant