This Fellowes Standard Monitor Riser is made from sturdy high impact plastic and Supports up to 36kg or 21 inch CRT or TFT/LCD monitors.Fully adjustable to 5 different heights between 64 and 165mm, this riser helps to position your monitor at a customisable height to reduce aches and strains associated with extensive computer use.Durable plastic base doubles as paper storage shelf in order to keep your desk organised and enable you to have your paper supplies on hand for when you need them.Durable plastic base doubles as paper storage shelf, height adjustable with five positions 64mm - 165mm, supports up to 36kg or 21” CRT or TFT/LCD monitor, graphite