LimbSaver Stabilizer Enhancer Attaches to the end of your stabilizer for added resonant vibration reduction Made from LimbSaver's proprietary NAVCOM material to dampen vibration Reduces vibration that is absorbed into your hand and helps keep the buzz away Fits any 5/16-inch bolt hole and 1/4-inch 20 stud 1.64-inch diameter; weighs 1.25 ounces