Perfect for work or gaming units, this Height-Adjustable Steel Desktop Stand helps prevent neck and shoulder strain with three height settings. For your optimal position, easily set the stand at 3-9/10" , 4-7/10" or 5-1/2". Adjustment is easy. Simply press the silver button and slide it to the next opening. Perforated top dissipates heat, allowing airflow to cool your monitor, laptop or gaming units. Nonskid rubber pads keep the stand stable and protect your desktop from scratches and marks. Stand holds up to 44 lb.