Ecolab Stone Medic Galaxy diamond discs are a commercial and professional-grade polishing disk used to restore the brilliance and luster of $$$ expensive, elegant floors such as: marble floors, terrazzo floors, concrete floors and other stone floors. Avoid wasting $$$ 1,000s replacing marble, granite, stone, etc. floors . . . StoneMedic will bring them back to life . . . and get you noticed by the execs. When you need it done right and fast the first time . . . .