This product is a rare vintage single bun head dumbbell weighing 15 lbs, made of cast iron with a black color and original patina. It is a classic roundhead bun dumbbell, perfect for gym and training activities like weight lifting. This unisex dumbbell, with a vintage design, is a unique and sought-after piece for fitness enthusiasts looking to add a piece of strength training history to their workout routine. Made in the United States, this unique dumbbell is a must-have for collectors and those seeking a rare addition to their fitness gear.