#10, 25 mm Stainless Steel C+ File, Package of 6 Files. Penetrates calcified canals. Square cross-section design prevents distortion. Pre-sterilized and ready-to-use. Made of stainless steel. Ready-Steel C+ File are stainless steel hand files with a unique taper and a high degree of ultra stiffness for accessing challenging or calcified canals. They feature a square cross-section that helps resist distortion and calibration rings for easy depth measurement.The handle provides a comfortable and tactile feel for the effortless location of canal orifices and access to the apical third. Each pack contains 6 files.Available in 21.0 mm and 25 mm lengths in various sizes.