The LimbSaver Stabilizer Enhancer is designed to attach to the end of your stabilizer for added resonant vibration reduction. Made from LimbSaver's proprietary NAVCOM technology (Noise and Vibration Control Material), it reduces vibration that is absorbed into your hand and helps keep the buzz away. The Stabilizer Enhancer fits any 5/16-inch bolt hole and 1/4-inch 20 stud. It has a 1.64-inch diameter and weighs just 1.25 ounces.  *item is brand new, never used, no signs of wear, without original packaging.