- Used to prepare the upper and middle part of a non-curved canal or straight part of a curved canal. - Save time and effectively creates an excellent access point for reamers and files. - Enlarge the straight coronal portion of the canal with gates glidden drill and step down with endo files using the biggest size first as the crown down technique. - For opening the orifice of the root canal. - Superior stainless steel with improved cutting capacity. - Circle ring is coded on the shank. - Recommended speed: 800 ~ 1200 r/min. **For further product information, please contact Chat Support**