Loctek D7DP Swivel Dual LCD Arm Desk Laptop Mount Monitor Stand, Fits 10"-27" Screen & 10.1"-17.3" Notebook 1.Arm easily adjust to support an ergonomically correct workstation; sit more comfortably at your desk while reducing neck, eye and back strain, extend or retract laptop arm. 2. Gas spring hovering system gracefully adjusts laptop height 3. Aircraft-grade aluminum arm features a stylish anti-scratch surface, front-loading ports for audio, mic & USB 3.0. 4. Cable management system, Durable hardware supports clamp or grommet installation, Clamp: For desk thickness:0.79-4.72. Grommet: Size of the hole:1/3 -2.75. Table thickness:0.79-4.72 5. Fits most 10.1-17.3 inch laptops and 10-27 inch monitors, supports laptop weighing 2.2-17.6 lbs., supports monitor weighing 4.4-19.8 lbs.