Allstar ALL10122 Safety Wire Drill Fixture Accurately drilled holes in fasteners so they can be mechanically locked in place with safety wire Fixture accommodates 3/16 inch, 1/4 inch, 5/16 inch, 3/8 inch, 7/16 inch, 1/2 inch and 5/8 inch fasteners Two 1/16 inch bits store conveniently in fixture Sold each It has a 90 day limited warranty