INSTRUMENT HOLE DRILL JIG
Drilling jig for drilling standard 2 1/4” and 3 1/8” dia. instrument mounting holes. Has
round plug that goes in the hole and centers jig. Tighten center screw and clamp strap
and drill thru the corner holes. Jig plate made of heat treated tool steel for long
life. More accurate than marking template.
PART # 9306