ZZ file rotary endo gold are the type of rotary files that combine between high cutting efficiency and high flexibility. Features: - Standard taper and sizes. - Controlled memory NiTi. - High cutting efficiency. - Inactive tips. - High fatigue resistance flexibility. Specifications: - Size: Assorted ( #17/08, #19/02, #20/04, #25/04, #25/06 and 35/04 ). - Speed: 300~350 rpm. - Color: Gold.