Leofoto 16'' Laptop/Projector Tray/Combined w/ Tripod 3/8'' Mounting Socket/Arca Swiss Dovetail Black. It has a 3/8'' mounting hole instead of the 1/4'' and 3/8'' options available on the LCH-2 making it even more lightweight. The tray is 8.9 inches and can accommodate almost all laptop sizes with flanges on the four sides to prevent accidental dropping. It can be easily mounted on ball heads/tripods using the 3/8'' mounting socket and Arca standard dovetail. Specifications for Leofoto LCH-2S 16'' Laptop/Projector Tray/Combined w/ Tripod 3/8'' Mounting Socket/Arca Swiss Dovetail: Manufacturer: Leofoto Color: Black Fabric/Material: Aluminum Length: 15.35 in Features of Leofoto LCH-2S 16'' Laptop/Projector Tray/Combined w/ Tripod 3/8'' Mounting Socket/Arca Swiss Dovetail Aluminum CNC Machining Package Contents: Leofoto LCH-2S 16'' Laptop/Projector Tray/Combined w/ Tripod 3/8'' Mounting Socket/Arca Swiss Dovetail Leofoto LCH-2S: LCH-2S 16'' Laptop/Projector Tray/Combined w/ Tripod 3/8'' Mounting Socket/Arca Swiss Dovetail Black