With just one hand and the pull of a trigger, you can adjust the Primos Trigger Stick to your desired height. The Trigger Stick is a lightweight height adjustable gun rest and optical gear mount, perfect for kneeling or standing. It comes equipped with a detachable V yoke. The Trigger Stick fits 1/4 Prime;-20 and 3/8″-16 threaded fixtures for securing optical gear. It is perfect for cameras, spotting scopes, binoculars, laser range finders and almost any other mono pod mountable device. Adjusts from 18 to 38 inches.