API Protaper Hand Files for enhanced flexibility, cutting efficiency, and corrosion resistance. The assortment includes SX, S1, S2, F1, F2, and F3 files, each serving a specific function in the treatment sequence. The SX file aids in canal exploration, while S1 and S2 facilitate canal enlargement. The finishing files (F1-F3) shape the apical region with variable decreasing taper. The gold-handled instruments offer easy identification and follow a color-coded protocol for streamlined use. With their high cutting power and efficient debris removal,