These Innovative Crows Feet Flare Nut Sockets allow you to access hard to reach fittings where a wrench just can’t reach. The standard 3/8” drive makes access easy with a standard ratchet and extension. The 200° swivel heads have hex key head bolts so you can adjust the flexibility, making removal easy without the heads flopping around. Once you use these sockets, you’ll wonder how you ever got along without them!• 6 piece set, sizes included:10mm, 12mm, 13mm, 14mm, 15mm, 17mm• Ideal for brake, fuel, air and hydraulic line applications.• Flexible head resistance can be adjusted with a hex wrench• 200° folding head provides excellent access in confined spaces.• Chrome vanadium alloy steel construction for maximum durability, longevity and corrosion resistance.• Packaged on a 3/8” rail for easy storage and socket selection• Limited Lifetime Warranty• Meets ANSI specifications