The Milwaukee® 1/2in x 9/16 in double end flare nut wrench offers easy identification with ink-filled size labels for quick distinction between SAE and metric wrenches. The slim profile open ends provide better access to hard-to-reach line nuts and hex bolt heads. The comfortable I-Beam handle design allows superior user comfort, even while applying high torque. Milwaukee stands behind its products and offers a lifetime guarantee on all mechanics hand tools. Milwaukee® 45-96-8302 Double End Flare Nut Wrench, 1/2 in x 9/16 in