Special, elastic wedges are applicable with all sectional matrices and matrix retainers. They do not damage soft tissue and precisely tighten metal plates without any deformation. Precise and smooth adjustment of matrices and sealing of gum area, both from tongue and chick side. Specifications: - Color: Blue and yellow. - Material: Elastic. Contains: - 20 pieces of soft wedges with 2 mm thickness - Yellow. - 20 pieces of hard wedges with 2.5 mm thickness - Blue. **For further product information, please contact Chat Support**