24326 Features: -Maxi hex.-Reliable performance.-Provides more bearing surface.-Increases pullover resistance.-High 5/16 hex head adds driving stability.-Corrosion resistance.-Made in the USA.-Maxi hex: 1/4" x 2-1/4". Color/Finish: -Compatible with DrivTru socket system. Improves installation. Protects paint finish.-Ultra shield long-life finish. Dimensions: -Box dimensions: 6.63" H x 3.63" W x 1.88" D, 1.485 lbs.