• 1" Drive 1" F x 3/4" M Impact Adapter
• Chrome molybdenum alloy steel (Cr-Mo) for exceptional strength and durability
• Through hole on square drive
• Pin hole can be used with pin and o-ring for secure socket retention
• Hard stamped size markings
• Manganese phosphate finish to resist corrosion
• Meets or exceeds ASME specifications
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