koolehaoda Laptop Notebook Pallet Projector Tray Holder with Arca-Swiss Interface for 1/4" to 3/8" Screw Tripod Stand Ballhead Mount

 Solid Construction - Tray made of solid all-metal construction, with non-slip straps is designed to keep your monitor safe and secure at all times.Dimension: 15.4 x 11 x 0.5 inch/39 x 28 x 1.3cm.Fits laptop/notebook up to 17” , Load 22lbs. Compatibility -The bottom of the tray has a 38mm Arcac-Swiss interface with all Arca Swiss clamp ballhad quick release adapters. and a 1/4 and 3/8 female screw for all tripod install; Easy to install and remove. Edge Barrier - To securely keep the laptop in place and prevent the laptop from sliding and falling, even if tilted forward.Extra ventilation holes significantly improve airflow to keep your laptop device cool. Ergonomics - The Big Tray Holder is made to hold the laptop and projector on a tripod,helpful in providing an ergonomic workstation for your laptop to reduce neck and eye stress. Widely Use - Sleek modern design compliments any mount and desk while adding extra desk space for storage. Perfect for offices, classrooms, lecture halls