Heddon One Knocker Spook Topwater Bait 4.5in 3/4 oz Progill. The single tungsten rattle contained in a sound-intensifying chamber produces a loud thump that draws fish from long distances. Its positioning within the body of the lure makes walking-the-dog easier than ever. Fourteen color patterns and Mustad Triple Grip hooks take care of the rest. Specifications for Heddon One Knocker Spook Topwater Bait: Manufacturer: Heddon Lure Type: Topwater Tackle Weight: 3/4 oz Running Depth: 0 ft Length: 4 1/2 in Hook Type: Bait Water Type: Freshwater Buoyancy: Floating Lure Type: Cast and Retrieve Species: Bass Features of Heddon One Knocker Spook Topwater Bait The One Knocker Spook has a single tungsten rattle contained in a sound-intensifying chamber that produces a loud thump that draws fish from long distances. Its positioning within the body of the lure makes walking the dog easier than ever. Package Contents: Heddon One Knocker Spook Topwater Bait Heddon XK9253521: One Knocker Spook Topwater Bait 4.5in 3/4 oz Progill