Tri Auto ZX2 is a compact, cordless motor with a built-in apex locator. It can be used for obtaining apical patency and creating a glide path using rotary instrumentation. Rotary files even as Small as #10 may be used for these procedures. Responsive, the handpiece allows subtle and delicate manipulation of the file, corresponding to the movements of an experienced dentist's hand. Tri Auto ZX2 also offers a safe and efficient method for canal shaping.