4 Fins downrigger weights have proven to be the most effective weights available for all trolling speeds. 4 Fin's design is a significant advantage in maintaining desired depths. 4 Fins weights are available in 4 lb,6 lb, 8 lb, 10 lb, 12 lb, and 14 lb sizes and can be used with all flashers and dodgers, and when stacking or using multiple downriggers. 4 Fins weights are coated with a durable Eco-friendly product with a UV inhibitor.