4 cavities (1 oz, 2 oz, 3 oz & 4 oz) Cannon Balls drop faster and straighter than other sinkers. MPN: 3185 Cannon Balls drop faster and straighter than other sinkers. Load your rig with these round sinkers and shoot your lure down to the depths you need. 4 cavities (1 oz, 2 oz, 3 oz & 4 oz)