Monkey Pads are intended for light restoration, finishing and maintenance. No chemicals needed. Just use the pads and water. The 5″ and 8″ pads are designed for vertical surface polishing and countertop work with a variable speed hand grinder/polisher. The 17″ and 20″ pads are designed to be used with a 175-300 rpm standard floor buffer or auto scrubber. The rectangular pads are designed to be used with high speed oscillating machines. All pads are color coded, labeled with grit number and eco-friendly