Includes: Throw Lever, Allen Key Materials: 6061 Aluminum Compatibility: Universal, Scopes Weight: 1.0 oz Color: Black Warranty: Lifetime The struggle of adjusting your magnification is no longer a problem. A throw Lever built for attachment to a variable power rifle scopes allowing for smooth and controlled adjustments of your scope magnification. Available in 5 sizes - 40mm, 42mm, 43 mm, 44 mm, and 46 mm diameter - for compatibility across most scope models and sizes