Featuring a chunky ribbed design, the Berkley PowerBait Rib Worm maximizes surface area for added scent release. Injected with Berkley`s proprietary PowerBait scent, the Rib Worm releases more of its flavor with each bite. Sold in packs of 12, the versatile 4-inch Rib Worm falls with an enticing flutter that will load your boat with fish no matter how you rig it. Available in a wide array of proven fish-catching colors.