Compatibility: The dual monitor stand fits LCD, LED flat-screen TV, and computer screens 13" to 32". It Supports up to 19.8 lbs, and the back of the monitor screen must have VESA mounting holes with a pitch of 75 x 75mm or 100 x 100 mm. The two-stage locking system is a 2.76” C-clamp and 1.97” Grommet Base.Adjustable Monitor Stand: The gas spring stand can tilt +70度/-45度度, swivel +/-180度, and rotate 360度， Max height is up to 26.6", and max extension is up to 20.3". Easily configure ergonomic perspectives to maximize comfort and productivity.Double benefits: Double efficiency and productivity to make working or relaxing that much more comfortable. Solid C-Clamp anchors to a desktop with a small footprint and saves valuable desk space, making your workstation spacious; Integrated cable management keeps your cables tidy and orderly.Our monitor arms sturdy construction: High-grade material C-Clamp, grommet base, and mounting plate ensure a strong and stable connection with your desk and monitor screen.Package Includes: 1 x WALI Dual Monitor Gas Spring Stand, Mounting Hardware Kit, User Manual, experienced and friendly US-based customer support available to assist 7 days a week.