• Chrome Molybdenum Alloy Steel (Cr-Mo) for Exceptional Strength and Long Lasting Durability • Manganese Phosphate Coating to Resist Corrosion • Meets or Exceeds ASME B107.2 • ASME Specification: B107.2 • Drive Tang Size: 1/4 in • Dim. A: Drive End: 0.62 in • Female Drive Size: 1/4" • Male Drive Size: 1/4"
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