Viper Custom Tackle's patented Rattler Blades give a unique thump in the water that attract fish from a distance without them needing to be within visible range. Our most popular blade style comes in many different patterns and finishes! Troll or drift with a Viper Custom Tackle crawler harness for a deadly fishing combination. Available in #4 blade. 2 blades per package. All designs © Copyright 2008 Viper Custom Tackle.