18th C RARE EARLY OLD WROUGHT IRON PRIMITIVE DECORATIVE NAIL SPIKE DOOR HARWARE. a pair but slightly different. one spike measures 6 1/2'' in length and the other 5'' in length. the longer spike is a loose spike through the decorative plate while the other spike is fixed through the decorative plate. both decorative plates are the same size and have an age appropriate early iron surface. rare to find and a great addition to adorn an early rustic door.