VIVO Table Top Solutions: We create affordable solutions designed to help transform your workspace. This sturdy 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 both manual and electric frames measuring 35 to 54 in length, including VIVO models: DESK-V100EB, DESK-V100EBY, DESK-V102E, DESK-V103E, DESK-E-200B, and DESK-EV02RB