This binocular tripod adapter from Hammers is made of lightweight and yet strong aluminum alloy. It allows you to use your binoculars with a tripod for extended watching to eliminate fatigue and offer a stable platform with greatly reduced shake. The adapter fits most binoculars equipped with standard 1/4"-20 threaded socket at the front and is easily attached using the adapters long and knurled thumbscrew. The thumb screw also has holes and a coin slot at the end for use with L wrench included or a coin in the event extra tightening is needed. A soft rubber O ring is placed at the end of the mount thread to avoid metal to metal contact for more secured assembly. At the bottom of the adapter is a 1/4"-20 mounting hole to fit on most photo, video, or field tripods. Oval shaped bottom also has a textured rubber pad which helps to grip your tripod shoe with less chance of rotation Height of the adapter: 3 1/3inch Finish and color: Anodized black Weight: 1.8oz.