This versatile floor stand lets you create an independent workstation with the Rocelco dadr-40 and dadr-46 (both sold separately). It converts your dadr-40 or dadr-46 desk riser into a full sit-to-stand desk that raises from 34" To 49" Above floor level. This can help free The space on your current desk and even allow you to create your own L-Desk configuration. Mounting hardware and leveling feet included for easy 5-minute assembly and adjustment. Now you can get all the health and productivity benefits of a complete height adjustable standing desk, for a very cost-effective price.