This is a Warne Scope Mounts Level known as the Universal Scope Level, model USL34.
Keeping the scope reticle consistently level is critical as target distances increase" Warne's new Skyline Universal Scope Level allows shooters to easily keep the reticle level without changing their position on the rifle. Whether moving through thick brush or storing your rifle in a case or scabbard" our patent pending design allows the shooter to deploy or stow the indicator with a simple push or pull. Easily attaches to your scope tube for right or left hand configurations. Look for Warne's complete line of Skyline Precision Shooting Accessories at your favorite retailer.
Features:
Easily attaches to your scope
Made of 6061 Aluminum
Weight 0.9 oz.
Ambidextrous