X7 file, the top selling system in the US and Canada, is fully compatible with the dentist’s current system i.e. universal system providing a seamless transition with a parabolic cross section. The Heat-treated FireWire™ NiTi gives unmatched flexibility, capable of 90° curves as well as the capability of not bouncing back to preserve apical anatomy. Amazing strength provides the confidence to tackle any case. Available in 0.04 and 0.06 tapering.