Features and Benefits:Provides access to fasteners in tight spaces.Large size markings for quick identification.Chrome plating for strength and the prevention of rust, corrosion and deformation.Heat treated and tempered to meet or exceed ANSI Standards for strength.Storage rail for easy transportation and storage.Upgraded steel from High Carbon to Chrome Vanadium for more strength and durability.This Sunex 1/2-inch drive 1-7/16" jumbo SAE crowfoot wrench will give you years of usage. It comes with a lifetime warranty which backs the craftsmanship of this CR-MO alloy steel product. It will meet your needs and is at a great value.