Vivo Clamp-On Under Desk Shelving Unit, Office Accessory Holder For, Shelf3Cl Clamp-on Desk Leg Shelving - Heavy duty C-clamp design secures to desk legs 0.8? to 3.5? in width, supporting up to 11 lbs for all of your workstation accessories. The clamp is reversible to install on any side of the desk leg for maximum space efficiency. --Patent Pending-- Under Desk Organizer - Spacious 3-level storage cubby sits conveniently below your desktop, reducing clutter that would otherwise be on your desk surface or the floor. Features 2 removable storage shelves that can be set at 6 different heights to maximize your storage space. Internal dimensions of the shelving unit are 11.3? x 8? x 15?. Moves With Your Desktop - This clamp-on storage organizer is perfect to use with sit to stand desk legs, raising and lowering with your desk as you make height adjustments. Whether you are sitting or standing, this storage shelf will be at an easy-to-reach location. Drill Free Installation - No need to mount these shelves to the wall or drill into the underside of your desk! The C-clamp design is easy to install and includes padding to protect your desk leg from scuffs and scratches. If you want to move the shelves to a different location, the clamps adjust with simple hand tightening. We've Got You Covered - Sturdy steel design is backed with a 3 Year Manufacturer Warranty and friendly tech support to help with any questions or concerns.