1S Single Dimple Jig - 0.875" and 0.938" Bore

Single hole dimple jigs:

Specs:
Available in 0.875" and 0.938" bores
1045 carbon steel

Heat Treated drilling side
11/64"  drilling hole
Pointed set-screw for gas port alignment

Manganese Phosphate Finish

Vise flats

The jig includes a 11/64" cobalt stub length drill and a 3/32" hex key.