With the Konus mount set 25-30mm Dual-T you can mount your rifle scope to your weapon. The mounting ring are compatible with rifle scope with a maximal objective diameter of 52mm. Due to the removable inner ring this set is suitable for riflescopes with a tube thickness of 25.4 mm and 30 mm. The Dual-T rings are also the best way to mount your Konus T-30 Riflescopes.