Description
Heavy-duty 21mm deep socket for secure fastening in tight or recessed spaces.
Features:
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Size: 21mm
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Drive Size: 3/8″
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6-point design for maximum torque without rounding
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Deep well ideal for longer bolts or studs
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Constructed from high-strength chrome vanadium steel
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Corrosion-resistant finish
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Easy-to-read size markings
