iM3 Control Cut K-Reamer (Ni-Ti) 60mm 0.45 to 0.80 Assorted Set (6 pack). Made from Nickel Titanium for increased strength and unique flexibility when working in curved root canals. 60mm overall length - 30mm working length. ISO Sizes 0.45, 0.50, 0.55, 0.60, 0.70, and 0.80. Taper 0.02. 1 of each in an assorted pack of 6 (also available in individual 6 packs). Used in a clockwise turning movement, K-Reamers have less turns on the active part than K-Files. Files and Reamers are intended to be single use and the cost factored in to each procedure.