Oneway #4 Profiled Jaws for Stronghold Chucks

Oneway #4 Profiled Jaws for Stronghold Chucks

Profiled Jaws are 1/2" deep, aggressively toothed for very reliable grip. Outsides flare wider toward the top of the jaw, so they'll lock into an undercut recess as shallow as 1/4" in the bottom of a workpiece.