lockHard Bits
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6" Bulk Bit - 72136P
lockHard Bits Part#'s
4" Bulk Bit - 72134P6" Bulk Bit - 72136P
The lockHard bit has two strategically placed wings on the sides of its square bit end. This allows it to lock into place and makes sure you NEVER strip another screw.
Mfg Note
This bit locks in place and never strips.