The DIAMOND Tool & Horseshoe 10" adjustable wrench is a vintage collectible made in the USA by the trusted brand, Diamond. Marked Diamond Tool and Horsehoe Co., Duluth Minn. Special Wide Opening.  This durable and reliable tool is perfect for mechanics or DIY enthusiasts looking for a high-quality piece of equipment that is both functional and stylish. The adjustable design allows for versatile usage, making it a valuable addition to any tool collection.