Built onbrutally strong, black nickel, chemically sharpened Mustad 9/0 and10/0 hooks, HeadlockZ Extreme jigheads are designed to handle large predatory species such as tuna, trevally, kingfish, snapper, mulloway and more. Their HeadlockZ grub keeper makes them ideal for locking onZMan 10X Tough ElaZtech plastics, including the big 10″ HeroZ and 8″ Mag SwimZ, while also being suitable for use with other soft plastic brands.