GreatNeck 3 Piece Flare Nut Wrench Set-SAE (#25288) 3/8, 7/16, 1/2, 9/16, 5/8, 11/16 Includes sizes: 3/8 x 7/16, 1/2 x 9/16, 5/8 x 11/16 Indispensable for fuel line and brake work Drop forged chrome vanadium alloy steel for strength and durability Heat treated for strength and durability Triple chrome plated