Check the listing for details. HAPPY GLASS Quick Release Binocular Tripod Adaptor With Extra Stud. Condition: New. Listed at 38.60 USD. HAPPY GLASS ***THIS LISTING INCLUDES AN EXTRA STUD SO 2 BINOCULARS CAN BE SETUP FOR USE***Quick Release Binocular Tripod Adaptor+ Extra Stud Stud attaches to binoculars (standard 1/4-20 thread). Binoculars, with stud attached, slide in and out of adapter. Tighten top set screw knob to secure, loosen to remove. Fast, quick, efficient- More time looking through the binos, less time fumbling around trying to get ready. Happy Glassing! New design is thicker aluminum and sturdier in design. Made by me, in my home shop, in Esparto, California, USA. All metal construction, aluminum base, steel hardware. Stud weight: 0.3 oz. Adapter base weight: 2.5 oz Total Height: 4.75 inches Base to center of stud hole height: 3.75 inches Adapter and 2 studs included. Obviously, binoculars, tripod and tripod head not included.