Jonard wrench set is a great option that will help out in tough situations. Includes star wrenches with templates that are convenient to switch between due to quick changeover. The two hex heads are 7/16“ in diameter, 1.50” deep on each side. Made of carbon steel with a black oxide finish for maximum strength and corrosion resistance. Also, the set includes a 7/16” double-sided wrench, whose double-sided design allows one end of the wrench to tighten and the other end to loosen. Equipped with a patented 15° angled open head that provides easy access to connectors, nuts and bolts. A strap hole allows for convenient transportation and storage. Made of chrome plated vanadium steel for maximum strength and durability.