Ergotron - Mounting Adapter Kit for Mounting Arm - 3 Monitor(s) up to 24" Supported - 10.20 lb Load Capacity - 100 x 100 VE - White

The HX Triple Monitor Bow Kit upgrades an HX arm (arm not included and must be purchased separately) to hold three monitors and includes a handle for easy positioning. It's the perfect accessory to expand your view across multiple screens while taking advantage of the HX arm's adjustment capabilities.