features and benefits:
- made from chrome molybdenum alloy steel (cr-mo) for exceptional strength and durability
- ball detent socket retention
- manganese phosphate coating for corrosion resistance
- high-visibility laser etched markings for quick size identification
- includes vacuum formed storage tray
4 pc.1/2" drive impact extension set 3", 5", 10" & 15".Made from chrome molybdenum alloy steel (cr-mo) for exceptional strength and durability.