UNIVERSAL COMPATIBILITY- Dual monitor stand for desk widely fits 2 screens 13" to 27" in size and holds up to 8kg per arm. Compatible with 75 x 75 mm and 100 x 100 mm VESA pattern. FULL MOTION & HEIGHT ADJUSTMENT- Adjustable dual monitor arm offers +90°/-90° tilt, 180° swivel, 360° rotation, and height adjustment of up to 425mm along the center pole for optimal screen positioning. Monitors can be placed in portrait or landscape orientation. TWO MOUNTING OPTIONS - (1) Heavy-duty 'C'clamp: Dual monitor mount fits desk thickness between 0mm and 100mm, offers supreme stability, keeping your screen fixed firmly and safely in place; (2) Grommet base install: fits desks with bolt-through hole (hole diameter supports min.0mm-max.80mm); the grommet base supports desk thickness from 0mm to 80mm. CONCEALED WIRING DESIGN- Double monitor mount keep your cables clean and organized with detachable cable clips on the arms and center pole, providing a clean wor