The Folding Double Monitor Mount is designed to fold down out of the way for safe line of site while traveling down the lake. Folds down with locking pin. Hydraulic shock holds it up. Heavy duty with 6061 aircraft aluminum. The Gimbal Monitor Brackets are tapped for most monitors. Will not fit Helix 7 without the adapter plate that is on our products page.? Also great for stowing in the down position to put your cover on the boat. Comes with the CFCG bridge mount.