I purchased several different types of Vivo Monitor Desk Mount Stands (MOUNT-POLE01, STAND-V011, PT-SD-CP01A, STAND-V002F) from Amazon. Have a different setup now and it’s not needed. All together, it will hold 4 monitors. All parts and screws kept together
VIVO Steel Universal Bracket Pole Mount with Removable 75mm and 100mm VESA Plate, Fits up to 30 inch Screens, Black, MOUNT-POLE01 - Purchased for $20
VIVO Extra Tall Single Monitor Desk Mount Stand 39 inch Pole. Features Full Adjustability - Tilt and Articulation, Holds 13 to 32 inch Screens up to 22 lbs with VESA Mounting, Black, STAND-V011 - $40
VIVO Black Heavy Duty Desk Clamp for Monitor Mount Stands, Sturdy 4 Inch C-clamp, PT-SD-CP01A - $20
VIVO STAND-V002F Dual LED LCD Monitor Free-Standing Desk Stand for 2 Screens up to 27 Inch Heavy-Duty Fully Adjustable Arms with Max VESA 100x100mm - $40