3M White Super Polish Pad 4100 is used for light cleaning under automatic scrubbers & removes soil & scuff marks with minimal dulling of finish. Uniform distribution of fine cleaning particles throughout the pads fibers, not just on the surface, distinguishes it from much of the competition. Durable, conformable polyester fibers provide maximum pad-to-floor contact, & open construction resists loading & clogging. For use with rotary & automatic floor machines running at low speed (175-600 rpm). Use for light daily cleaning, spray buffing, & dry buffing soft finishes. This polishing pad is also used on wood floors. The pad is reversible. Application: Buffing; Diameter: 21"; Color(s): White; Color Family: White.