The Rotex Spinner has been perfected in shape after thousands of hours of testing. Its rotation is perfect in both rivers and streams as well as still water - even at slow speeds and immediately when the spinner hits the water. Each spinner is tank tested and hand painted. Real Silver and Copper plating. Equipped with customized Japanese treble hooks. Immediate rotation. Superb for Trout, Salmon and most Predators. Size 4 hook.