ZirkonZahn® M1 Paragon Burs for milling Zirconia, Glass-Ceramic, Sintec, Nano-CompositeBall ended, Nano Diamond coated milling burs for Zirconia, Glass Ceramics, Sintec, Nano Composites compatible with ZirkonZahn M1 Milling Units. A better performance thanks to their shape and diamond coating. The three fold combination of the tools very hard surface, low coefficient of friction and micro grain WC results in an increased lifespan of up to 9 times more than uncoated tools. Uses: Zirconia, Pre sintered CoCr, Carbon fiber, Fiberglass,