ergotron – hx single ultrawide monitor arm with hd pivot, vesa desk mount – for 1000r curved monitors up to 49 inches, 28 to 42 lbs – white ergotron enable immersive viewing experiences and take back your desk space. our best-selling hx monitor arm with a heavy-duty tilt pivot gives you the freedom to move and position ultra-wide, curved monitors. this large monitor mount will secure gaming monitors and ultrawide monitors to protect your investment.