80-grit sanding discs. Strong and durable construction with a silicone carbide mineral coating that is held onto the backing by a high-performance resin for long-lasting abrasive performance. For use with low-speed rotary floor machines (175 to 300 rpm) to prepare concrete and wood floors for coating or recoating.

• Prepares concrete floors for Claro-Cote and Industrial Concrete Rejuvenator and Seal
• Positioned on low speed machine using a black pad or red pad
• Prepares wood floors for Gym-Thane
• Available in 17" and 20" sizes