Made from Chrome Molybdenum Alloy Steel (CR-MO) for exceptional strength and durability. Surface Drive Technology for reduced fastener rounding.
Manganese Phosphate coating for corrosion resistance. Parallel Neck Down Design on 3/8", 7/16", 1/2", and 9/16" sizes for improved access to restricted fasteners. High-Visibility laser etched markings for quick size identification. Secondary Hard Stamping Set includes. Blow Mold Case with reinforced steel hinges and steel buckles for strength and security.Deep SAE Impact Sockets from 3/8" to 1-1/16". 1/2 Drive 6 Point Deep SAE Deep Impact Socket Set KDT-84942N.