Flexmaster is a rotary NiTi instrument with a convex triangular cross section with sharp K-type cutting edges. Each Flexmaster instruments has a constant taper throughout the working area, tapers 02, 04 and 06 are available. The instruments have a self-centering and rounded tip with semiactive cutting ability because the blade runs far towards the tip.
A Flexmaster IntroFile is shorter than the other Flexmaster files, and has a taper of 11 (see photo folder).