Shimano Butterfly Flat-Fall Jigs Spare Hooks are replacement hooks for your favorite Butterfly Flat-Fall Jig. Keep your hooks new and sharp to ensure you are getting the best hookups with these spare hooks. The Flat-Fall Jig Replacement Hooks feature 300, 500 or 700 pound Spectra line for unmatched line strength and durability. Paired with ultra-sharp assist hooks.