- Commodity Quality Certification: CE. - Material: Steel. - Type: Dental Sectional Contoured Matrices. - Applications: Endodontics. Package Included: - Small 20pcs. - 10 x small with ledge. - 30 x medium. - 10 x medium with ledge 20 x large. - 10 x large with ledge. - 10 x standard ring. - 10 x delta ring. **For further product information, please contact Chat Support**