The Roboworm 4.5″ and 5.5″ Curly Tail worm is a textured hand poured style worm. Each Roboworm Curly Tail is poured with precise color layering creating awesome consistent triple colors, and Roboworm’s exclusive “Salt Release System”. Roboworm’ special plastic formulation, thin subtle curly tail, create a finesse action that fish can’t resist.