The BT7034 is designed to mount a B-Tech AV accessory such as a shelf or a mounting plate onto a B-Tech Flat Screen Wall Mount with AV Storage (BT7883 & BT7885), making it the ideal solution for adding a VC camera, video bar or other accessible media above or below the screen. Featuring an adjustable extension mounting arm that can be positioned anywhere along the mount. The BT7034 can also be used as a pair to mount larger shelves such as the BT7032.