Early American wrought iron skewer set with most of the original skewers.Dry rusty surface with slight pitting in a couple places still strong and solid. The triangle form Ive never seen, Simply made but fully functional.Late 18th century - early 19th. Each of the 3 sides of the triangle are about 5 1/4",the longest shewer is i bit over 8" N.E. found. I use linseed oil on my personal dry iron it feeds the iron, not long after the iron takes on a natural dry surface.