Laptop tray accessory. Ventilated non-slip tray recommended for laptops up to 18". Can be easily attached to the Atdec Modular arms listed below with a handsfree drop on VESA mechanism. AWM-N comes preloaded with a 2kg (4.4lb) counterweight. This counterweight ensures the minimum weight required to work with spring assisted dynamic arm AWM-ADTC is met.Use with Atdec Modular arms:- AWM-A13T short swing arm- AWM-A46T medium swing arm- AWM-A71T long swing arm- AWM-ADTC dynamic arm