Tavia's safety wire drill fixture makes drilling safety wire holes through bolt heads a much easier task. The top drill guide aligns the drill for proper location and placement. This safety wire drilling fixture accepts hex head, 12 point, and socket head cap screw configurations, sizes ranging from #10 thru 5/8" in diameter. 135 degree cobalt split point drill bits are provided and conveniently store inside the fixture. Replacement drills and bushings are available01420 FAQS