ORIGINAL ca 1939 USA OAHU ACOUSTIC GUITAR BRIDGE....METAL CONSTRUCTION, BASE MEASURES 5 7/8" X 15/16", POST TO POST IS 2 3/4", STRING SPREAD IS 2 1/4", BLACK WRINKLE FINISH, SOME FINISH WEAR AS SHOWN, NO CRACKS FACTORY PATENT STAMP ON BOTTOM, INCLUDES ORIGINAL MOUNTING NUTS.....THANKS FOR LOOKING!