Fits 1" diameter scope tubes and Weaver style bases
Ring Height vs. Objective Lens Diameter:
Low Height:for up to 36mm
Medium Height: 40-44mm
High Height: 45-50mm
If your rifle has a thick target / bull barrel, choose rings one size higher than recommended in the chart above
Note: All Zee rings come with torx head screws and the proper wrench. The flathead screw in the video has been discontinued.