Features:Made of Aluminum material ， solid and durableFits most Weaver and Picatinny Rails.Accepts most scopes and red dots that have a 25.4mm tube diameter.Integral Design.Material: Aluminum.Color: BlackWeight: 134gSize: Approx. 100x45x50mmSize: Approx. 20x20x10mmInner dia: 25.4mmPackage Includes:1 x Scope Mount1 x Wrench