- The trephines are used to remove of sections of bone with the aim of an autogenous transplant. - The sharpened blades are to increase the cutting efficiency to realize a non traumatic Treatment. - The laser depth markings make it easier to control the Drilling Depths efficiently. Kit Contains: x8 Trephine Dimensions: - 2.0mm. - 3.0mm. - 4.0mm. - 5.0mm. - 6.0mm. - 7.0mm. - 8.0mm. - 9.0mm. **For further product information, please contact Chat Support**