Primos Trigger Stick Tall Bi Pod Lightweight, height-adjustable two-legged gun rest and optical gear mount Height adjusts from 36.5 to 61 inches with one-handed, trigger-pull operation Equipped with a detachable V yoke for use as gun rest Fits 1/4-20 and 3/8-16 threaded socket mounts Designed for sitting, kneeling, or standing