Steiner Rings are the foundation of a precision shooting system. designed and engineered to guarantee precise optical alignment and shot-after-shot accuracy. The T-Series Rings offer the perfect riflescope mounting solution for precision tactical shooting. Available Steiner T-Series 30mm Rings MPN Center Line Height 5960 0.885 inch Low 5961 1 inch Medium 5962 1.25 inches High 5963 1.35 inches Extra High Available Steiner T-Series 34mm Rings MPN Center Line Height 5964 0.885 inch Low 5965 1 inch Medium 5966 1.25 inches High 5967 1.35 inches Extra High Steiner T-Series 30mm Medium 1" Height Scope Rings 5961