Burris 34mm, 1.50 Height, Pair, Matte, 34mm, 1.50 Height, Pair 420211 XTR Signature Rings were designed for the tactical shooter They deliver plenty of holding power, with less weight Features: - Unique, self-centering, dual steel clamps with full cross-through connection assure p 50 in - Size: 34 mm - Material: Aluminum