Proto Hex Shank Extensions, 3/8 in (male square); 1/4 in (male hex) drive, 4 in (5 EA / BAG) Specifications
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Drive Size [Nom]:3/8 in (male square); 1/4 in (male hex)
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Finish:Nickel Chrome
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Locking Type:Pin
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Material:Alloy Steel
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Overall Length [Nom]:4 in
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Wt.:0.03 lb
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Description
One-piece construction ensures concentricity
Special heat treat ensures long life
Precision machined tips for proper fastener engagement
Special heat treat ensures long life
Precision machined tips for proper fastener engagement