- Datron 2.5mm wieland zenotec cad cam dental milling bur with stop ring. - Cutting diameter: 2.5mm. - Shank diameter: 3.0mm. - Over-all length: 35.0mm. - Length of cut: 5.0mm. - Neck length: 15.0mm. - End type: ball. - Stop material: ring. - Tools are sold individually 1 per and in packs of 5. **For further product information, please contact Chat Support**