*Bionic 11/16" Wrench is designed for use on Falcon and Eagle series King Pins and Click Adjustment.*Bionic 1/2" Wrench is designed for use on Falcon Plus and Eagle Plus plates ONLY. Specifically designed for the pivot pin nut adjustment.*Bionic 1/4" Wrench is designed for use on Falcon Plus and Eagle Plus plates ONLY. Specifically designed for the pivot pin adjustment.