This fits your .
12 pt. standard combination wrench. Size 9/16 in. Forged from tough alloy steel, heat-treated, oil quenched and tempered for a uniform hardness and maximum strength. Nickel-chrome plated to resist rust and corrosion to simplify cleaning. Backed by Craftsman's Lifetime Guarantee!
Craftsman 9/16 Inch 12 Point Combination Wrench 9-44696 - B00065T0R8