Dell-LCDモニター画面用のデュアルモニターアーム,mda20,黒 _ - AliExpress Mobile
Dell Dual Monitor Arm – MDA20 | eBay
Dell Dual Monitor Arm - MDA20 - Desk mount for 2 LCD displays (adjustable arm) - black - screen size: 19"-27" - mounting interface: 100 x 100 mm - Hunt Office UK