Floor stand enables you to turn the Lorell Adjustable Desk Riser (sold separately) into a complete standing desk. Or, use it to create a perfect left or right extension to your current desk. Sturdy steel construction resists warping for long-lasting support. Easy-to-use design requires you to simply attach the four legs for quick use.Floor stand enables you to turn the Lorell Adjustable Desk Riser (sold separately) into a complete standing desk. Or, use it to create a perfect left or right extension to your current desk. Sturdy steel construction resists warping for long-lasting support. Easy-to-use design requires you to simply attach the four legs for quick use.