MMdex Laptop / Notebook / Projector Tray Holder / Platform Pallet for 1/4''  Screw Tripod Stand Mount This practical tray can be used universally for Projector,Monitors,Laptop and for other equipment. Rugged & Durable Metal Construction,solid and strong,with non-slip pads and straps. Female screw adapter, with 1/4" Convert Screw Adapter fit for all tripod install. SIZE:390mm/290mm/15mm (L/W/H) Suitable for 7inch - 15inch Laptop/Notebook