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.

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 and 12 x 1.5 bolts.

Drill bit is not included.