Designed for easy and secure attachment of binoculars to a tripod for steady long distance viewing. Stainless steel stem attaches to binocular via standard1/4”-20 thread mounting point. Simply insert and tighten stem back into the tripod adapter for rock solid viewing. Stem releases quickly from adapter. Tighten the locking knob to lock cant/tilt. Fits any binocular with a standard 1/4”-20 thread mount. Adapter base is made of durable machined aluminum with 1/4”-20 threads to mount on tripods.