The Do-It FLB-3-L Flat Bank Sinker Mold is a durable aluminum mold designed for making fishing sinkers of 3, 4, and 5 oz capacity. This versatile mold is suitable for both freshwater and saltwater fishing, with a compact size of 7 inches in length, 0.75 inches in height, and 1.25 inches in width. The gray-colored mold is lightweight, weighing only 2 lb 2 oz, making it easy to handle. The assorted features of this mold make it a valuable tool for tackle craft enthusiasts looking to create their own high-quality fishing sinkers.