Made from durable 6061-T6 aluminum, the Sightmark 34mm High Height Weaver/Picatinny Rings are the perfect accessory to secure a shooter’s most trusted riflescope. With a matte black, non-reflective finish these lightweight rings are constructed to fit both Weaver and Picatinny rails. These Sightmark rings fit 34mm riflescope tubes and come packaged with a hex key for easy adjustments.