Do-It JSP-3-L Spearhead Jig mold with ball collar produces Jig Heads designed for use below dams and other turbulent areas. The sleek shape of these jigs offers a low water resistance. 3 assorted cavities. Jig weight (hook size) - 1 oz (2/0 or 3/0), 1-1/2 oz (3/0 or 4/0), and 2 oz (4/0, 5/0 or 6/0)oz. heads. Recommended: O'Shaughnessy jig hooks.