Nordent RENSGR5-6L Gracey Curette #5-6 (Long Reach) – Xdura® – Duralite® RoundProduct Overview Medium shank and slight contra angle for bicuspids and molars. Nordent long reach Gracey curettes have an extended terminal shank that is 3 mm longer than standard. They feature our standard blade face curve with a true radius that conforms to tooth anatomy better than any other brand. This means that Nordent standard Gracey curettes are easier to adapt, require fewer strokes, and reduce tissue trauma better than any other brand.