The Black Diamond 400 Red heavy duty cleaning pad is used on worn concrete floors, effectively removes scratches and stains, leaving a clean, matte surface. The Black Diamond 800 White deep cleaning pad deep cleans and removes heavy scratches, leaves a clean, smooth floor ready for the next step, and is used with oscillating or rotary machines up to 3000 RPM. The Black Diamond 1500 yellow initial polishing pad brings out the initial luster of the floor's surface, use with oscillating or rotary machines up to 3000 RPM. The Black Diamond 3000 green polishing and daily maintenance pad is ideal for daily use to maintain a brilliant, high luster surface, high gloss appearance on stone, vinyl, linoleum, smooth concrete, terrazzo, and natural stone floors, use with oscillating or rotary machines up to 3000 RPM.