AVDescription Features: Standard modulus carbon with a .720" OD Has shrewd's truss dampening system to eliminate vibration Limbsaver broadband dampenser silences any remaining vibration Weights come on a 2.5" threaded rod CNC machined, external end caps create a solid attachment point Weight: 7"= 4.50 oz 9"= 4.75 oz 12"= 5.25 oz MADE IN THE USA