Axion Limb Damper Split Limb-Bolt on Mount, 3/8-5/8-Inch/2.4-Ounce, Black A simple marvel in design Axion Archery's innovation continues with the design of limb dampers These dampers reduce noise and vibration generated by bows and crossbows resulting in more accurate, quiet shot Designed for split limb bows as bolt on design Comes as a pair and weigh 2 4ozs for the pair