Features: - Three-dimensional anatomically pre-shaped. - Provide perfect approximal form & contact. - Superior high tensile strength stainless steel. - Tight fitting within a few seconds. - All matrices are 0.035mm thick. - No use of matrix retainer. Contains: - Shape 1 (one central ledge) - 3 pcs. - Shape 2 (two central ledges) - 3 pcs. - Shape 3 (left ledge) - 3 pcs. - Shape 4 (right ledge) - 3 pcs. - Shape 5 (without ledge) - 4 pcs. **For further product information, please contact Chat Support**