Dentsply Maillefer's C+ File is for the instrumentation of highly calcified canals and root canal retreatment. Its buckling force allows for easier location of canal orifices, effortless access to apical third, better negotiation of calcifications and enhanced tactile feel. Depth gauge makes it easier to determine the working length when working with X-rays; pyramid-shape tip allows for easier penetration during catheterization Polished; provides better debris removal and smoother insertion of the instrument in the canal Stainless steel