VERY UNIQUE ANTIQUE PIECE OF HARDWARE. THE SERPENT FIGURE IS SOLID BRASS, AND THE SCREW IN PART IS STEEL OR IRON. IN TOTAL IT MEASURES 4 1/2" LONG.  I TOOK IT FROM THE PORCH CEILING OF AN OLD HOUSE HERE ON THE MAINE COAST THAT WAS BEING TORN DOWN. I KNEW SOMEONE WOULD WANT IT. IT'S THE 3RD. ONE I'VE HAD AND SOLD. THANK YOU FOR LOOKING.