Not the cheapest, but still a good price.
F160 - is a dual arm monitor stand by North Bayou. Fits most LCD LED monitors 17" to 27" and supports up to 14.3 lbs per each monitor. It is made from air-craft grade aluminum alloy material, what makes this desk mount light and reliable. Thanks to its gas spring system you can easily move your displays in any direction. The two monitors also have adjustable height. These full motion two monitor arms will give you all possible viewing angles you like.
Modern design of F160 will suit perfectly well anywhere you want. Use it in your office, class room or at home. This stylish and functional table mount will help you with your work twice as good, because the second monitor is a real advantage.
Please pay attention:
1. It is impossible to adjust the arms of the desk mount before complete installation.
2. Our Dual monitor mount fits two screens 17" to 27" in size 4.4lbs to 14.3lbs in weight each with VESA patterns 75x75mm or 100x100mm.
3. The diameter of the hole in your desk must be between 10mm-50mm and your desk thickness must be between 0.8 - 3.7 inch.
Also the new F80 is $37.95.
https://www.amazon.com.au/Monitor-Motion-Swivel-Spring-Compu…
Love these arms. They work really well, even used them to hold up my Dell 2407WFP-HC's previously (which were slightly heavier than the maximum rated load).