Loctek D7DP Height Adjustable Dual Monitor Arm Desk Laptop Mount Swivel LCD Stand Fits 10"-27" Computer 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. 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