Crafted in Japan from the highest quality materials available, theReins Tungsten Wacky Jig Headutilizes the latest technology that will take your finesse fishing to the next level. Featuring a 97% pure tungsten construction, which provides increased sensitivity, a smaller profile, and a faster sink rate. This combination of properties will allow anglers to feel very subtle changes in bottom composition and easily detect strikes from light feeding fish. The dense tungsten composition also works together with a 3-strand monofilament weedgurad to effectively penetrate through cover and get your bait down into the strike zone quicker as well.