The True Lock Swimbait Head is a unique screw lock design with a concave backing that allows the swimbait to attach to the head itself. It features a sharp Mustad hook with the perfect degree bend for running true, hooking and pegging big fish. It comes in sizes from 1/8 ounce 3/0 to 3/4 ounce 8/0 for 7 and 8 inch swimbaits.