Swix World Cup Diamond Files Made in Italy, utilizing the highest quality diamond grit pattern mounted on a durable aluminum plate for excellent grip and control Use with polishing solution for enhanced longevity and sharpening performance The diamond grit frames match the popular Moon Flex diamond files for an easy transfer to an aluminum frame design Red Frame: Diamond Grit 70 mm length, Coarse: 200 (Red), Medium: 400 (Red), Fine: 600 (White)