Product Number: 95913The Sound Deadening System is engineered to eliminate noise and shock throughout the string, limbs, and stirrup for deadly suppressed performance. The Sound Deadening System includes an over-moulded rubberized stirrup, Ex-Shox, String Stars, and RAVS silencers. This four-component package works in sync to dramatically reduce vibration and noise when the crossbow is fired, resulting in a much smoother shooting experience and effectively increases your success in chasing game.Works on all Excalibur hunting model crossbows.Package IncludesOver-Moulded Rubberized StirrupEx-ShoxString StarsR.A.V.S. SilencersNOTE: Excalibur’s Crossbow Stringing Aid #2096 is required for installation of the Sound Deadening System