5 Piece SAE Hex Double-End Flare Nut Wrench Set 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4" and 13/16" Forged, hardened, and tempered high carbon steel construction with chrome finish Perfect for working in tight spots, fuel lines on diesel engines and other automotive applications Wrench size range: 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4" and 13/16" Hex double-end broach style wrenches Five wrenches