VIVO Table Top Solutions: We create affordable solutions designed to help transform your workspace. This sturdy, 3-part platform attaches to the top of a compatible desk frame to create your very own sit-stand workstation for a healthier work life Compatibility: Fits manual and electric frames 51 to 70 in length including VIVO models: DESK-M051MB/DESK-M051MW, DESK-V100EB/DESK-V100EW, DESK-V100EBY/DESK-V100EGY/DESK-V100EWY, DESK-V101M/DESK-V101MW, DESK-V102E/DESK-V102EW, and DESK-V103E/DESK-V103EW