Endodontic instruments are used in root canal treatment for cleaning and shaping the root canals of teeth. Specifications: - Material: NiTi. - Length: 17 mm, 25 mm. Pack contains: - 1 x #18-08 - 17 mm. - 1 x #20-04 - 25 mm. - 1 x #25-04 - 25 mm. - 1 x #30-04 - 25 mm.