This product is either discontinued or we cannot get that from suppliers.
Ergotron 45-266-216 StyleView Sit-Stand Combo Arm, For up to 24" screen, Capacity up to 29 lbs, Easily lifts, tilts, pans, and rotates, VESA MIS-D 75/100mm, Durable, easy-to-clean exterior composed of aluminum, high-grade plastic, WHITE
This sit-stand combo arm holds a monitor, barcode scanner, keyboard, wrist rest, and mouse on the same height-adjustable arm for an ergonomic fit that supports the best workflows (and comfort).