Characteristics: - AF-R Wire technology. - Single file system. - Excellent adaptation to curved canals. - Patented flat-side design. - Superior cutting efficiency. - High resistance to cyclic fatigue. - Debris was removed efficiently in the coronal direction. - Easily bypassed if the file is separated. Specifications: - Size: #19. - Taper: 04. - Length: 19 mm. - Torque: 2.5 N. - Speed: 500 RPM.