Bowfinger Stack Weight Set Black 10 oz.. Includes one each of 1 oz. 2 oz. 3 oz. and 4 oz. weights. Makes it easy to adjust in 1 oz. increments. 5/16-24 threads. Package Contents: Bowfinger Stack Weight Set Weight set for Bowfinger stabilizers. Includes one each of 1 oz. 2 oz. 3 oz. and 4 oz. weights. Makes it easy to adjust in 1 oz. increments. 5/16-24 threads.