The SPRO Thumper Spinnerbait is equipped with Gamakatsu Nano Alpha Coated hooks for durability and practical functionality. Each lure features ball-bearing swivels and a SPRO Mean Eye head – ideal for hard cover such as rocks and wood. The special hard-thumping Colorado and Indiana blades clearly mark the size. This Spinnerbait is perfect for fishing in muddy and murky water.