Klein 79216 T-Handle Hex-Key, 7-1/4 Inch Blade Length x 1/4 Inch Hex Overall length: 9-Inch T-Handle design delivers more torque to the fasteners Color-coded handles: blue for metric, black for inch Hex size: 1/4-Inch Klein offers a lifetime warranty on material defects and workmanship for the normal life of the product.