Includes square section high tensile steel arrestor bolt. 2 Piece Mounts. Base Fitting: Weaver (Picatinny - RIS) style rails 20mm wide. Tube Size: To fit 30mm diameter body tube scopes. Front Lens Size: Up to 56mm - This figure describes the maximum size of the objective (front) lens the mount is designed for when the dovetails are flush with the barrel. Please bear in mind scopes with front PX adjustment will often need higher mounts. Bolt Type: Cap = Allen Head, Base = Thumb Nut. Clamp Design: Double Clamp (four bolts on each cap).
