Key Features: ‣ Features A 1.3mm Brush Head, Perfect For Larger Interdental Spaces. ‣ Classic Design For Reliable Interproximal Cleaning. ‣ Compatible With Gum Proxa Handle, Offering Convenience. ‣ Constructed From High-quality Materials For Durability. ‣ Provides Effective Plaque Removal And Gum Stimulation.