Product Description Made in the USA - quality and availability. With one size opening per wrench, one head is angled 15° and the other is angled 60° providing 4 different turning angles for greater access in tight work areas. Open ends have a radius design for greater strength; especially when compared to a hex open end. From the Manufacturer Proudly made in the U.S.A. with a lifetime warranty. Full polish high luster finish for durability and ease of cleaning. Modified radius corner design open end provides for greater wrench strength and maximum tool life. Drop forged and through hardened from alloy steel for a stronger, tougher, and longer lasting tool.