This is a Heavy Duty Quad monitor stand. This monitor stand clamps to your desk. This Super Quad monitor stand will hold 26″ LCD Monitors with room to spare. The arms slide in and out to accommodate different sizes. Each mount can be tilted left, right, up, and down. You can also rotate each monitor from portrait to landscape on the fly. Max width fully extended 31″. This measurement is measuring center of the mount on one side to the center of the mount on the other side. Minimum width 22″. This measurement is measuring center of the mount on one side to the center of the mount on the other side. The measurement of the monitor to the pole is 4.5 inches. SPECIFICATIONS Fits 75 x 75 mm / 100 x 100 mm VESA-compliant monitors — Installs on horizontal surfaces up to 4″ thick, PACKAGE CONTENTS C-clamp with thumb screw and mounting screws — Monitor mounting screws (16) — Installation hardware with instructions and hex tool If you want no spaces between your monitors we recommend using this stand with 19″ wide screen monitors and larger. Please make sure your desk is made of a solid surface.