HyFlex CM NiTi Files 21mm LRG Assorted 6/Pk. 1 of each: 19 mm .08 taper #25; 21 mm .06 taper #205, #25, #30, #35 and #40. Pack of 6 assorted files. Controlled Memory NiTi Files. Outstanding flexibility to adapt to curves. Highly resistant to fractures. Enhanced durability prevents recurring dullness. Autoclavable for sterilization and structure regeneration. HyFlex CM NiTi File sets the standard in root canal anatomy tracking with an unparalleled manufacturing procedure for memory control, exceptional flexibility, and reversible shape adaptation. It allows pre-bending to accommodate sharp curves.HyFlex CM also minimizes ledge formation, apical transportation and perforation, zipping, and wall binding. Available in various #s.