• Drop Forged, Chrome Vanadium Steel (50BV30), Heat Treated, Corrosion-resistant Matt finish.
• 3/8" Drive universal flex socket set include: (Metric)10, 11, 12, 13, 14, 15, 16, 17, 18,19mm; (SAE)3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4".
• 6-point opening grips flat sides of fasteners, not corners, preventing round-off.
• The set can gain access to fasteners hard to reach and changing angle of force.
• Meets or exceeds ANSI performance standards. It comes with 1 year quality warranty.