TEKTON 2640 3-Pc. Flare Nut Wrench Set features: Drop Forged Carbon Steel Construction, Heat Treated and Chrome Plated, 15-Degree Offset for Easy Access, Ideal For Fuel, Brake, and Air Conditioning Lines, 3-pc. Wrenches (SAE): 3/8" x 7/16", 1/2" x 9/16", 5/8" x 11/16"