These extreme rings are designed for the magnum size European scopes. Constructed of high strength steel with a Parkerized finish. 1/2" hex nut and torx drive screws per cap. Fits on Picatinny style rails. Built to hold the heaviest scope on those earth shaking big bore rifles. Height from the bottom of the scope to the top of the rail is 1.042.
Steel rings with parkerized finish, 4 top torx screws, 1/2 clamp nut, from base of scope to base is 1.042". Weight 13.4 ounces