These vintage slip-joint pliers from Diamalloy are a must-have for any collector or mechanic. Made in the United States, these 10-inch pliers feature an arch groove joint design and are perfect for working with various tools and hardware. The brand name Diamalloy is known for its high-quality products, and these pliers are no exception. With their durable construction and unique design, these pliers are a great addition to any tool collection. Whether you're a seasoned mechanic or just starting out, these vintage Diamalloy slip-joint pliers are sure to impress.