The Niagara 4100N-20 is a 20-inch white, professional-grade floor polishing pad designed for high-shine maintenance on soft finishes and wood floors. Made with durable synthetic fibers, these washable/reusable pads remove scuffs and black marks at speeds of 175-600 RPM. They come in cases of 5. Key Features and Benefits - Application: Ideal for dry buffing or spray cleaning, especially on delicate or soft finishes. - Performance: Removes scuffs and black heel marks while restoring shine, often reducing the need for stripping/recoating. - Compatibility: Designed for low-speed rotary or automatic floor machines (175–600 RPM). - Durability: Constructed from durable, synthetic material that resists dulling. - Dimensions: 20-inch diameter, white color. These pads are generally sold in cases of 5.