Leofoto Ultimate Laptop Tray Kit 1/4'' and 3/8'' Black. Its universal size allows it to fit almost all laptops of carying sizes. The tray features four laptop clamps to secure the device in place. It also features a removable cup holder and mouse tray which can be adjusted. The tray can be mounted on ball heads or tripods via the reversible 1/4'' and 3/8'' mounting socket and Arca standard dovetail. Specifications for Leofoto LCH-3Kit Ultimate Laptop Tray Kit: Manufacturer: Leofoto Color: Black Fabric/Material: Aluminum Features of Leofoto LCH-3Kit Ultimate Laptop Tray Kit Aluminum CNC Machining Package Contents: Leofoto LCH-3Kit Ultimate Laptop Tray Kit Leofoto LCH-3-Kit: LCH-3Kit Ultimate Laptop Tray Kit 1/4'' and 3/8'' Black