5/16 Finesse Ball Head Jig — Baby J Head 3pk. The Baby J is the ultimate finesse ball head jig! The Omega "Baby J" super finesse jig features a recessed line tie, razor sharp Gamakatsu hook, optimum angle fiber guard, and the jig's weight is transfered down the shank of the hook which allows for a very natural fall. Another key feature of this 5/16 oz. ball head jig is the bottom of the head is concave so this finesse offering from OMEGA sits upright while at rest on the lake's bottom.