Reaction Innovations Big Unit Plastic Worm is the bass fishermen's dream worm. Big, bold, lots of tail action and plenty of vibration describes this amazing plastic worm by Reaction Innovations. The Big Unit plastic worm is soft and pliable and half of it's 9.5" body length consists of the vibrant and action filled tail. This worm brings in even the most finicky fish. The Big Unit plastic worm by Reaction Innovations is a "must have" worm for every tackle box. Stock up today and you'll see why.