TruGlo Lightweight 1in Scope Rings Mounts Picatinny/Weaver Rails Medium 2 Screws Per Ring Black TG. These rings are made from a strong aluminum alloy and are great for mounting scopes on your rifle. These rings have a matte black finish and can be used on most carbon and steel rifles with no cracking chipping or cracking. With the backing of these ringsTru Glo creates one of the strongest and most reliable mounts in the industry.With their unique two-piece design the High 1in. Rings can be used on 1in. tubes and have no clamping device between the ring and the rifling of the rifle. Specifications for TruGlo Lightweight 1in Scope Rings Mounts: Manufacturer: TruGlo Finish: Matte Tube Diameter: 1 in Ring Quantity: Pair Additional Features: 2 Screws Per Ring Size: Medium Color: Black Package Contents: TruGlo Lightweight 1in Scope Rings Mounts TruGlo TG-TG8960B1: Lightweight 1in Scope Rings Mounts Picatinny/Weaver Rails Medium 2 Screws Per Ring Black