The new Axion Cloud series stabilizers are simply a marvel in design, with more versitility than any other stabilizer offered today. Axion Archery"s innovation continues with a lighter cnc machined frame that houses multiple mathews harmonic stabilizers. These great looking stabilizers offer noise and vibration reduction and incorporate a picatinny mounting rail (sold separately). Now you can add a light, laser, camera, bipod or other accessories. The 7/8" Picatinny rail brings another aspect to the axion archery stabilizer line-up. The Cloud stabilizers will calm the storm on any bow, making your shot silky smooth. • Includes Mathews harmonic stabilizer(s)