MaxJax weigh 1 ounce each. They fit 3/4" diameter and stretch all the way up to 1 1/2". Super Max Jax is a step forward in stabilizer dampening technology . Many stabilizers out today can be made better through the use of the Maxjax. The Maxjax can be slipped over almost any stabilizer out today to add extra stabilizing and dampening abilities. These fit comfortably on a 1" rod. You can stack them as well to reach forward weight needs.