Used in combination with a separating ring, which provides separation of the teeth and stabilizes the matrix coronally, favoring the formation of a contact area. Set Contains: - No. 1.311 (1) - 6 pcs. - No. 1.312(1) - 6 pcs. - No. 1.313(1) - 6 pcs . - Spring clip - 1 pc. **For further product information, please contact Chat Support**