Feature: Optimized Guiding Tip Guiding tip with rounded end makes the preparation easier, minimizes canal deviations as well. CM-wire Heat Treatment TechnologyBrand new NiTi material, advanced thermal activation technology, provide a visual warning for the security of the file Wise Taper Change Maximise the relain of the dentine during the preparation, achieve the aim of minimal invasive 1 flaring file, 1pc 04/20, 1pc 06/20, 1pc 06/25.