Converter is designed for use with single monitor arms with VESA 75 x 75mm and 100 x 100mm, giving them the capability to hold dual monitors. Converter keeps monitors perfectly aligned, a feature unique to its design. Converter works best with existing arms rated for 22 lb. (9.89kg) or more and holds two monitors up to 24" (60.96cm). Converter reuses existing hardware to be more cost-effective. This product ships in approximately 1 days