Leapers UTG Pro 1, 2 Piece High Profile P.O.I Picatinny Rings Features High Profile P.O.I Precision Optics Interface Rings Have a 33mm Center Height to Fit Optics with a 1 Tube, and up to a 65mm Outer Objective 2 Piece Ring Set, Each Equipped with 4 Top Torx Screws Designed with a 22mm Ring Width Designed to Fit on Mil-spec 1913 Picatinny Rail Platforms Machined from 6061-T6 Aluminum Alloy and 4605 Steel with Matte Black Hard Coat Anodize UTG PRO Original Snag-free Contoured Profile with Reduced Weight and Size The Innovative P.O.I Precision Optics Interface Addresses 3 of the Most Critical Areas in Scope Rings Progressively Machined for a Precise Inner Ring Surface to Achieve a Seamless Ring-to-Scope Interaction Low Profile and Flush-fitting Locking Side Plate Controlled by Dual Spring Loaded Guide Rods Interfacing with the Rail with Torx Screw Locking to Ensure Secure and Repeatable Zero Hold Square-shaped Integral Recoil Stop Interfacing with a Picatinny Slot via Complete Surface Contact to Eliminate the Possibility of Forward and Aft Movement from Recoil Vibrations Specifications Material Aluminum/Steel Rail Type Picatinny Profile Level High Ring Diameter 1 Ring Width 22mm Maximum Scope Outer Diameter 65mm Screws Per Ring 4 Weight 2.80 oz Color Black SOLD QUANTITY 1