Check the listing for details. HAPPY GLASS Quick Release Binocular Tripod Adaptor Rapid Attach Stud. Condition: New. Listed at 28.60 USD. HAPPY GLASSQuick Release Binocular Tripod Adaptor: 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. New design is thicker aluminum and stronger in design. Happy Glassing! 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 ozTotal Height: 4.75 inchesBase to center of stud hole height: 3.75 inches Additional studs, and an adapter with 2 studsand can be purchased. They are in separate listings. Search: happy glass binocularAdapter and stud included. Binoculars, tripod and tripod head not included.