Kids-e-files are advanced heat-treated rainbow rotary files used for effective and efficient root canal preparation for primary teeth. The rainbow file is designed for debris removal, cutting efficiency, and safety. Innovative heat treatment and surface therapy of premium quality nickel-titanium alloy results in high flexibility and durability at the same time. Pack contains: - 1 x #20 Taper 4% - 17 mm. - 1 x #25 Taper 4% - 17 mm. - 1 x #30 Taper 4% - 17 mm. - 1 x #40 Taper 4% - 17 mm. **For further product information , please contact Chat Support**