Cast iron, made by the same foundries which produced cannon balls and grape shot. Small, about 1 ¼” across the points and intended to be used on hard surfaces such as cobble stone roads. The first we have offered in over ten years. These are generally considered to be Confederate though no definitive attribution is known to us. A few related and two identical examples, said to be found in an antique shop in Virginia, with information that they were found in 1865, are shown on the internet. We have a few each with some rust. Each.