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