The EVO Gimbals Full Sweep 3-Prong Mount Tripod Adapter features a 3-prong mount on top and 1/4"-20 threaded hole on the bottom. It allows you to attach an action camera or accessory with a corresponding 2-prong mount to a tripod, monopod, selfie-stick, or other 1/4"-20 support gear. Designed with extra height, the adapter provides sufficient room to allow for full sweep 90° forward and backward tilt adjustment.