Thread Size: 5/16-24 Mass Weight: 76.5 gram Adjustable stiffness damper. Customise to change the feel of your rods to match your stabilizer weights. For the best aim and shot feel. Optimization for the ideal dampening from 5oz to 30oz of weight. Aerodynamic design. - Superior vibration dampening in all axes... X,Y, & Z - Strong proprietary rubber material supports up to 30oz. weights - 1-5oz. weights, loosen counter - clockwise all the way to stop - 5-10oz. weights, tighten clockwise 1 revolution - 10-30oz. weights, tightest clockwise setting 2 revolutions - Overall weight: 2.7oz