The Evolution 20 is the new and improved resistance activated release from Carter Enterprises. This 3 finger release uses one spring and has an adjustable hold weight of 8-40 lbs. To close the jaw, push down on the hasp until it snaps into the closed position and the release is reset. Weighs 3.2 oz.

Features:Weight range of 8 lbs - 40 lbs;Precise micro-adjustments;Release firees when you increase resistance;Lightweight at 3.2 oz.