Leupold‘s 1.0″ PRW Mounting Rings will provide solid support for your riflescopes on cross-slot Picatinny and Weaver rails. Made of durable and strong stainless steel with a scratch- and corrosion-resistant matte black finish, each low ring offers a mounting height of 0.75″ .The Leupold PRW scope rings are precision-machined from steel to provide the necessary strength and recoil resistance without adding excess weight to the rifle. Leupold’s steel Because these rings are machined from solid steel, they offer superior integrity and tighter tolerances that are based on the proven cross-slot design. For use with Leupold PRW bases or any other Picatinny-style mount rails.