EASY TO SET UP ADJUSTABLE COMPUTER STAND: Thanks to its convenient design, this double laptop stand is very easy to set up, so you can start using it right away. Simply use the tightening knobs to configure the stand according to your personal needs and space requirements. Specifications: Arm mount lip height: 0.75 inches. Arm mount length: 11.125 inches. Maximum weight load: 75 pounds. Platform: 9.75 inches by 15 inches. Gross weight: 9 pounds. 1-YEAR WARRANTY ? All products we sell from laptop stands, recording studio equipment, disc jockey accessories and dj stands, to stage equipment and stage lighting packages, and everything in between comes with our exclusive, 30-day money back return policy and a premium 1-year warranty! All you have to do is contact us within 30 days to request a return, or within 365 days from purchase to request a warranty replacement.