As the backbone of the Alpha Advantage System, these resin diamond discs are uniquely designed for optimum polishing results. Alpha Professional Tools designed this series of grits specifically for marble and terrazzo floor restoration or maintenance. The marble resin discs utilize a thin needle shaped pattern for best results on marble. These discs work quickly and last long. The marble floor restoration worker will produce consistent results with these discs. Each disc is uniquely designed for long life and ease of operation. The resin discs are directional, which enhances water flow through the disc to promote removal of slurry. Available in 5 grits, these resin discs prepare your marble or terrazzo floor for the final polishing stage. The Alpha Advantage Resin Discs For Marble have been proven to work better than other polishing systems for marble or terrazzo and are capable of producing better than factory finishes. Designed with improved cost performance and quality of polish, these resin discs are unequaled. If you do marble or terrazzo floor restoration or maintenance, the Alpha Advantage Resin Discs for Marble are made for you.