Designed with a flame-shaped, boring head with non-cutting guide tip on a slender shaft. Used to reduce the curvature in the orifice of the canal, allowing for greater access to the canal for cleaning and obturation. Instrument size can be easily identified by the number of grooves on each instrument. In addition to standard 32mm length, 28mm and 38mm are available depending on what you need for molar or canine etc.