Endostar RE Re Endo Rotary System is used for removal of old gutta-percha filling from the root canal system. Endostar RE Re Endo Rotary System set consists of 4 instruments of different sizes and tapers marked with numbers from 1 to 4. The instruments are rather aggressive and should be used with standard endodontic motors working 150 - 300 rpm. They remove the old gutta percha filling with great efficiency, enabling the dentists to do the re-endo procedures or some other endodontic treatment.