GearWrench 84533N 1/2" Drive 6 Point 21mm Standard Impact Socket
- Chrome molybdenum alloy steel (Cr-Mo) for exceptional strength and durability
- Off-corner loading design reduces fastener rounding
- Black oxide finish to resist corrosion
- High-visibility laser-etched markings provide quick size identification
- Secondary hard stamped size markings
- Meets or exceeds ASME specifications
