Hard Elastic wedges can be used as fixing wedges and also as a stabilizing cord upon working with Cofferdam (Rubber Dam) system. Special silicone rubber - Heat treatment up to 150 °C (302°F) -provides complete gingival margin adaptation and seal -simultaneously wedges from both buccal and lingual - is compatible with all inter-proximal matrix systems elastic radiopaque interdental wedges are as easy to use as they are effective. Works with both sectional and Tofflemire matrix bands. In 2 color-coded sizes to adapt to all interproximal conditions. Package contents: - 20 x 2 mm thickness, 20 x 2.5 soft 2.5 mm thickness. **For further product information , please contact Chat Support**