Nut Drill Jig allows the safety wire holes to be drilled through the head of bolts or through nuts, across the diagonal easily.
It will accept up to a 3.5mm diameter.
Imperial Bolt Drill Jig provides 6 drill holes for imperial sizes : 1/4＂- 20, 5/16＂- 24, 3/8＂- 24, 7/16＂- 14, 5/16＂- 18, 3/8＂- 16 bolts.
Metric Bolt Drill Jig provides 6 drill holes for metric sizes : 6 x 1.0, 8 x 1.0, 8 x 1.25, 10 x 1.25, 10 x 1.5, 12 x 1.5 bolts.