Vortex Pro Levelling Head Ideal for their High Country II, Summit Carbon, and Ridgeview Carbon tripods, or any tripod with a 3/8"-16 mount thread, the Vortex Optics Pro Leveling Head is built with a light weight and low profile, so you can lighten your load without compromising performance. It is designed with a standard 1/4"-20 stud for optics, cameras, or video gear with ±9° of leveling capability. Once its integrated bull's-eye bubble level indicates you're good, simply twist the locking collar to set the head where you need it. Mount Your Gear 1/4"-20 stud is compatible with a wide range of gear including shooting rests, optics, photo gear, and video equipment Lock holds position for easier focusing on stationary subjects Unlock for pan/tilt use 22-pound payload capacity Build Details ±9° of leveling capability to ensure precise positioning Head attaches to tripod via 3/8"-16 mounting threads Lightweight aluminum Scratch-resistant anodize finish Low-profile height of just 1.4" Light weight of 7-ounces Integrated bull's-eye bubble level to ensure proper setup