1/2" Brush Diameter2 Pieces Per PackIdeal For Cleaning And Surface-Finishing Items Made From Gold, Bronze, Copper Or BrassUse A Brass Brush To Create A Soft, Satin Or Matte FinishVery Effective On Flat Surfaces And In Hard-To-Reach Areas Like Slots (Brass Wire Is Non-Sparking And Softer Than Steel)Very Effective On Flat Surfaces And In Hard-To-Reach Areas Like Slots