The Underspin is a great bait when paired with a swimbait or fluke style plastic. Underneath is a premium (Worth USA) ball bearing swivel and #3.5 super bright nickel willow blade. Hook is a Mustad Black Nickel in 5/0. Heads are powder coated white (other colors available just ask) and baked for durability and finished with 3D eyes. Sizes are 1/4 oz, 3/8 oz or 1/2 oz.