VIVO Heavy Duty Desk Clamp for Monitor Mount Desk Stand, No Scratch Universal Replacement C-clamp, Tabletop Surfaces up to 3.25 inches, Easy Install, Black, PT-SD-CP01A

VIVO Black Heavy Duty Desk Clamp for Monitor Mount Stands, Sturdy 4 Inch C-clamp, PT-SD-CP01A

VIVO Steel Reinforcement Bracket Mount Plate for Thin, Glass, and Other Fragile Table Top Surfaces, Compatible with Most Monitor Stand C-Clamp Installations, Anti-Slip No Scratch, Black, STAND-AC01R

VIVO Dual Monitor Desk Mount, Heavy Duty Fully Adjustable Steel Stand, Holds 2 Computer Screens up to 30 inches and Max 22lbs Each, Black, STAND-V002