The Bowjax Max Jax is a step forward in stabilizer dampening technology. The Max Jax can be used to in conjunction with your stabilizer to improve dampening effect. The Max Jax can be slipped over almost any stabilizer out today to add extra stabilizing and dampening abilities. You can stack them as well to reach forward weight needs. The outside dimensions of the Max Jax Stabilizer Dampeners are 2 1/4" x 2 1/4", also the arms are just 1" in length.