Named after Elite Series Pro Jason Williamson, who worked with Buckeye Lures to develop this unique way of fishing a swimbait in open water, the J-Will Swimbait Heads feature a Mustad UltraPoint Heavy Flipping Hook for outstanding strength. J-Will Swimbait Heads are custom painted to match commonly used swimbait colors. A collar on the head holds the swimbait securely when cast. Per 3. Size: 1/4 oz. Colors: (001)Pearl, (002)Shad. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Jigheads.