• 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"
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