- Datron 0.7mm wieland cad cam ivoclar dental milling bur with stop ring. - Cutting diameter: 0.7 mm. - Shank diameter: 3.0mm. - Over-all length: 40.0mm. - Length of cut: 1.4mm. - Neck length: 8.6mm. - End type: ball. - Stop material: ring. **For further product information, please contact Chat Support**