Opening Size: 1-3/4 inches (SAE / Imperial measurement system)Head Thickness: 0.312 inches (5/16"), optimized for slim or low-clearance fasteners Head Angle: 30-degree offset open side to increase the swing arc in narrow cavities Overall Length: 8.625 inches (8-5/8") featuring a flat handle profile Material & Finish: Drop-forged from high-grade alloy steel with a polished nickel-chrome plating for lifetime corrosion defense