This 5-inch velcro polishing pad is a 50-grit.  It is designed to leave a "no reflection" polished concrete, and should be followed by the 100-grit pad.

This 5-inch velcro polishing pad is a 400-grit.  It is designed to follow the 200-grit pad and bring a concrete floor to a "satin reflection" polished concrete.

This 5-inch velcro polishing pad is a 3000-grit.  It is designed to follow the 1500-grit pad and bring a floor to a "mirror" polished concrete.

This 5-inch velcro polishing pad is a 200-grit.  It is designed to follow the 100-grit pad and bring the floor to a "moderate reflection" polished concrete".

This 5-inch velcro polishing pad is a 1500-grit.  It is designed to follow the 800-grit pad and bring the floor to a "high shine" polished concrete.

This 5-inch velcro polishing pad is a 100-grit.  It is designed to follow the 50-grit pad and bring a concrete floor to a "light reflection" level.