Features and Benefits: Radius Corners on the box endto grip the flat sides of thefastener and prevent round-off.; Raised panel design reduces the weight of the tool while maintaining overall strength.; Chrome plating for strength and the prevention of rust, corrosion and deformation.; Sizes stamped on both sides for fast and easy identification.; Heat treated and tempered to meet or exceed ANSI Standards for strength.; Set comes with a durable canvas pouch for easy storage and transportation.;