Very fine, sterilizable tools with diamond coating on both sides for interdental opening in cases of extreme stenodontia. The edge of the file is saw-shaped. Proximal enamel reduction can then be performed with stripping tools. If possible, it is recommended to use the CA ®Strip Opener only with an oscillating EVA contra-angle. 40µm, diamond-coated on both sides, orange, blade thickness approximately 0.175-0.235 mm.