VIVO 32 inch Desk Converter, Height Adjustable Riser

Create Instant Active Standing - VIVO’s desk riser provides on-demand standing throughout the day for the freedom to get out of your chair and relieve muscle tension, reduce stress, and increase productivity. --Patented-- 
Space Efficient 31.5" Surface - The top surface measures 31.5” x 15.7”, which maximizes space while still providing room for dual monitors. The 31.3" x 11.8" (10.5" in center) keyboard tray raises in sync with the top surface to create a comfortable workstation. 
Strong 33 lbs Lift Assist - Go from sitting to standing in one smooth motion using the innovative simple touch height locking mechanism (Adjustment Range: 4.5" to 20"). Lift design elevates straight upwards. 
Very Minimal Assembly - This riser is almost ready to go right out of the box! Place on your existing desk, attach the keyboard tray, and start organizing your workstation.