Featuring an ideal balance of strength and flexibility, ZenFlex lets you reach the full working length with reduced risk of breakage while preserving more tooth integrity. • High Cutting Efficiency Designed with triangular cross section with proprietary heat treatment, ZenFlex exhibits high cutting efficiency that lets you reach the full working length of even complex root geometries. • Minimally Invasive A maximum flute diameter of 1mm and a non-cutting tip work together to minimize transportation and preserve the tooth’s structural integrity. • Exceptional Strength Resists torsional stress and cyclic fatigue resulting in minimal breakage and reduced transportation. • Excellent Flexibility Proprietary heat-treatment design delivers excellent controlled memory and flexibility for up to 90˚curves. Packet of 6 Files