Hunters, Tactical Shooters, Competitive Shooters, This is it! The same technology, design team and engineering that created the original SwitchView™ magnification adjustment lever has finished over a year of precise development and now presents the EAGLE EYE SpeedLever™ (patent pending) - The next generation of control is here! The same SwitchView™ function and reliability that is highly demanded by elite US military forces, SWAT teams, top competitive shooters and experienced hunters is now available in a UNIVERSAL fit, polymer version. It simply and securely attaches around the scope magnification ring for fast and easy adjustment of your scope. All 1.27 - 2.20 in. diameter non-tapered mag rings. MGM Switchview Eagle Eye Universal Speed Lever 3-Pack