- Made from Monocrystalline Alumina. - Unique ceramic material for unmatched aesthetics. - Lowest profile and rounded top shape for unmatched comfort. - Rounded entry and exit of slot for lowest friction. - 15° degree downdraft on tie wings for safe ligation. - World’s proven mechanical bonding base for excellent bonding strength and easy de-bonding. - 45% less friction compared to other clear brackets.