Lorell LLR82013 Adjustable Desk Riser Black - Extra Large XL Adjustable Desk Riser lets you go from sitting to standing in seconds. It rises to 20 and lowers to 5 to optimize the ergonomic work position for people of all heights. Straight up-and-down motion minimizes the required desk or credenza depth to 23 . Desk riser offers plenty of room to work with a full desk size. The 25-1/2 x 11-1/2 keyboard tray retracts and pulls out for convenient access. Desk riser includes grommet hole for mounting monitor arm or running cables. It holds up to three monitors, a laptop and more with a 45 lb. capacity. Specifications Color: Black Size: Extra Large