iM3 Control Cut K-Reamer (steel) 60mm 0.90 to 1.4 Assorted Set (6 pack). Made from steel for high torsional strength and excellent flexibility. 60mm overall length - 30mm working length. ISO Sizes 0.90, 1.0, 1.1, 1.2, 1.3 and 1.4. 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. Our Steel K-Reamers have high torsional strength and excellent flexibility. Files and Reamers are intended to be single use and the cost factored in to each procedure.