Nordent TruGracey® curettes have a 1.1 mm terminal shank diameter and blades that are 0.9 mm wide and 4 mm long. OnPoint™ featuring our long-lasting UltraSteel™ edge and customizable ColorRings® Features UltraSteel™ technology that provides the longest-lasting edge possible(1) Enhanced comfort with the 9 mm handle design Customizable ColorRings® provides easy organization and personalization Made in the USA by master craftspeople with decades of experience