Folding design helps prevent accidental damage to the rear leaf. Leaf easily flips down, out of the way, when your favorite lever or single-shot rifle is stored or carried. Long shank, barrel-mounted sight is fully adjustable using the center plate and center plate lock screw—no need for a separate elevator. Flat top leaf with white diamond sight insert helps improve sight acquisition and alignment. Screw and drift adjustable for windage. Fits nominal 3⁄8' dovetail. May require minor fitting. SPECS: Steel, blue, polished finish. Leaf - .300” (7.8mm) high, .630” (15.8mm) wide. Fits nominal 3?8' (9.5mm) dovetail.