FITS 13" TO 43" SCREEN - Dual monitor desk mount fits most flat/curved/ultrawide computer monitors up to 44lbs (20kg) each in weight with VESA 75x75mm / 100x100mm / 200x100mm / 200x200mm mounting holes. SAVE VALUABLE SPACE - Heavy-duty metal base only takes up 6.5" x 4.3" (165mm x 110mm) desk surface. The c-clamp and grommet mounting options support up to 3.3" (85mm) desk thick. ERGONOMIC VIEWING HEIGHT - Premium gas spring monitor arm assists height adjustment from 10" to 23" (255mm to 585mm), which passes 16,000-cycle motion test. Adjusting the monitor adapts to your posture by arm extension, vertical tilt, horizontal swivel, and landscape or portrait rotation. INCREASED PRODUCTIVITY - Two USB 3.0 and AUX ports designed to easily connect to your OS. Whether you're coding, designing, or managing multiple applications, our monitor arm enhances your workflow. PROMOTES HEALTHY POSTURE - Raise two monitors to an ergonomic viewing height and work com