Ultrawide Compatibility: Quad monitor stand fitting four ultrawide and regular screens up to 38 in size and 17.6 lbs in weight (each) with VESA 75x75mm or 100x100mm mounting holes -Patented- Premium Telescoping Arms for Flush Setup: Heavy duty arms adjust to fit larger ultrawide monitors. Unique telescoping design expands arms straight outwards for a flush-to-wall quad screen setup. Arms slide into each other for added strength and stability