The Duronic DM554 is a Spring desktop mount for 4 monitor or a TV.The DM554 has fully adjustable Triple spring arms which gives great flexibility in positioning your monitor. Please see movement image for full clarificationThis stand is suitable for types of TVs and monitors of size 15" to 27" (Please see size data image to establish if this stand will fit your Monitor. Please measure the width of your monitor against width our data) which have VESA 100 or VESA 75 mounting holes (the horizontal and vertical distances of the holes at the back of the TV must be 10 or 7.5cm)This stand will allow you to move the arms up or down and swivel right and left 360°, you can also turn the monitor around. Changing positions are very easy to do and do not required any further tools, you can change the tension in the spring to how you prefer. tools provided for this.Extra strong clamp installed on the unit to provide excellent and secure stability. The stand will allow you to put on a monitor of weigh between 2.8kg-5kg. Standard monitor accessories included.