Dental Matrix Bands Ring Sectional Matrice Clamp Titanium Alloy Ring NiTi Peek
Material: NiTi+Peek. Material: Nickel Titanium+Plastic. Made of super elastic nickel titanium alloy material, with good resilienceand no deformation. The ring body is made of super elastic nickel titanium alloy, with moderate strength, softness, and deformability, which can well.