The Apex Gear Covert Stabilizer is machined from touch aircraft grade aluminum to thrive in harsh environments, while the BuzzKill System reduces vibration in your bow and dampens your noise signature when it is time to take the shot. The Covert Stabilizer also includes a picatinny rail to host a wide variety of mountable accessories. Aircraft grade aluminum exoskeleton BuzzKill symmetrically tuned noise/vibration dampening disc Includes optional picatinny rail for mounting accessories Engineered for high-performance bow Length: 7" Weight 6.5 oz.