EndoStar S Finders are special endodontic instruments which are used for searching, localizing and penetrating the canal. This endo rotary files are Thin, flexible and firm. These S-finders are very good hand and machine driven instruments, especially when used in thin and curved canals. The rotary files are easily differentiated by orange handle (color not used in ISO standard). They also have an etched millimeter scale on the blades for determination of canal depth. They are marked on the handle by S10.