TacFire 1" Inch Low Profile Rifle Scope Rings (Two Pieces, One Pair) for Picatinny/Weaver Style Rail, T6 6061 Aluminum TacFire Official Product , Lightweight, Precision Machined from Aircraft-grade Aluminum Alloy with Anodized Black Matte Finish. Friendly Thumb Screws with Retention Features.Full Length Locking Plate to Guarantee Easy Installation and Secure Fit. Fits All Picatinny/Weaver Rails, Compatible with most lasers, scopes, and flashlights Fabric liner for increased friction and protection of your accessories Weight: 2.9 oz