Berkley PowerBait Catfish Bait Chunks w/Liver and Blood Dark Brown. Berkley scientists have spent over 30 years perfecting an irresistible scent and flavor - the exclusive PowerBait formula. With this exclusive scent and flavor formulation you have the Berkley guarantee this punch bait will Catch More Fish Specifications for Berkley PowerBait Catfish Bait Chunks: Manufacturer: Berkley Condition: New Features of Berkley PowerBait Catfish Bait Chunks Preformed for quick and easy rigging Package Contents: Berkley PowerBait Catfish Bait Chunks Berkley 1344213: PowerBait Catfish Bait Chunks w/Liver and Blood Dark Brown