This product is a pair of vintage YORK 10 lb roundhead dumbbells made of cast iron, featuring a classic black color. The dumbbells have a diameter of 3.5 inches and are designed for weight lifting. These pre-USA-mark weights are a set of two 10-pound dumbbells, perfect for unisex adults looking for a unique and authentic strength training experience. The York brand adds a touch of nostalgia to your fitness routine, making these dumbbells a sought-after collectible for vintage fitness enthusiasts.