- Smart torque spring ensures hassle-free adjustment- Multiple adjustment including height and 90 degrees monitor rotation- Aluminum construction- Easy installation and cable management- Meet VESA Mounting Interface StandardSilverStone created ARM Three to significantly raise the value and usability of your monitors. ARM31BS is constructed with robust aluminum alloy and steel. It includes VESA Mounting Interface Standard (MIS) which fits most monitors on the market. Hassle-free adjustments can be made for height and reach to provide various viewing angles for the monitor so your view will no longer be restricted to traditional positions.