Reduces the draw weight by 85% easing the amount of strength required to silently cock or decock your BearX crossbow. The Silent Cocking Crank&';s allows archers to safely disengage the crossbow at the end of a hunt with the decocking capabilities. The crank includes an adaptor for all BearX AR-style and Intense style stocks along with 3 different crank inserts properly sized to fit most BearX crossbow model rails.