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 sitting, kneeling or standing. It comes equipped with a detachable V yoke. The Trigger Stick? fits 1/4"-20 & 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. 30" Trigger Stick Includes: Two-Piece Mono Pod. Perfect for Kneeling or Sitting. Adjusts from 20" to 30". 62" Trigger Stick Includes: Three-Piece Mono Pod. Perfect for Standing or Kneeling. Adjusts from 29" to 62".