Ergotron WorkFit Height Adjustable Multipurpose Desktop Riser

Ergotron WorkFit Height Adjustable Multipurpose Desktop Riser - Up to 76.2 cm (30') Screen Support - 15.88 kg Load Capacity - Desktop - Metal - Black - For Display Screen, Keyboard, Monitor, Office - Keyboard Tray, Ergonomic, Adjustable, Tip Resistant

User Manual
Product Datasheet