These matte black rings are made with an extremely light aircraft-grade aluminum. One thumbscrew on each of the rings attaches the scope to your rifle, allowing easy mounting and removal. Each ring tightly fastens the scope with 2 straps and 4 screws, maximizing recoil resistance. 1" tube diameter.

Features:2 straps & 4 screws for added gripping;Mounts to all Weaver top mount bases;Lightweight all aluminum;Thumb screws for quick detach;Two ring system