Gives a way to lower fishing line to precision depths while maintaining contact with the lure Efficient shape achieves deeper depths than would be expected from its weight Each Torpedo Diver comes with a detailed depth chart & directions on the various methods used Work well on their own, but can be combined with Downriggers, Leadcore or Copper Directional fins can be bent in the desired direction 12 oz. - 9-1/2 in. - set up is more than 2X faster than a downrigger 2 oz. - 5-1/2 in. - set up at 1.8 FPS, same as a flat plate diver 4 oz. - 6-3/4 in. - set up at 3.6 FPS, 2.5X faster than a flat plate diver 8 oz. - 8-1/4 in. - set up is more than 2X faster than a flat disk diver Weight: Approximately: .2 to .75 pounds depending on selected size Shipping Dimensions: Approximately 8.2 x 3.88 x 1 inches to 13 x 3.88 x 1 inches depending on size selected. This product cannot be shipped to: CA MA NH ME