Dentsply Protaper Gold Rotary File has visibly advanced metallurgy creates a difference you can see and feel.It has increased flexibility, smooth tapered shapes and simplicity. Now the ProTaper legacy continues with ProTaper Gold with developed proprietary advanced metallurgy,it offers an increase in flexibility which is important in finishing files when navigating through challenging curves in the apical region and also provide the trusted deep shapes that promote 3D cleaning and filling root canal systems