Extremely flexible files that easily adapt to the anatomy of curved canals without deformation or perforation. After sterilization, they return to their original shape, making them multifunctional. Contents: all 25 mm 04/20x1 pc, 04/25x1 pc, 04/30x1 pc, 04/40x1 pc, 06/20x1 pc, and 08/25x1 pc, the latter being 19 mm.