SIG SAUERA(R) ALPHA1 Hunting Rings are both strong and ductile to form perfectly around your rifle scope without causing damage. The aluminum Rings are epoxy powder coated to prevent oxidation and resist gun oils, cleaning solutions and outdoor exposure. Made from 6061-T6 aluminum Epoxy powder coated to prevent oxidation Machined to exacting tolerances Available in Medium, High and Extra-HighSizing: Medium (0.95") High (1.25") Extra-High (1.53") Order today!