Uni-One Assortment 21mm 4pcs

Single-file NiTi rotary system designed for complete root canal preparation with one instrument. Features a special cross-section for efficient debris removal, an inactive tip that follows the canal center to preserve natural anatomy, and gold-treated NiTi alloy for enhanced flexibility and fatigue resistance. Ideal for curved and complex canal systems. Package contains 4 files of 21mm length.