Our practical sterilization trays: - With non-toxic silicone instrument-support inserts. Handle made of insulated material: - Plastic. Kit contains: - 599/1 Wax and modeling instruments N. 1. - 599/2 Wax and modeling instruments N. 2. - 599/3 Wax and modeling instruments N. 3. - 599/4 Wax and modeling instruments N. 4. - 599/5 Wax and modeling instruments N. 5. - 977 Tray. **For further product information, please contact Chat Support**a