activiva Heavy Duty Single Monitor Screen Gas Spring Monitor Armactiviva Heavy Duty Single Monitor Screen Gas Spring Monitor Arm "Introducing the activiva ACA HMA SGS01Y Heavy Duty Gas Spring Monitor Arm, designed to accommodate most 17"" 49'' flat panel or curved monitors weighing up to 18kg per screen. With its heavy duty construction, this monitor arm is perfect for heavy and oversized displays, and provides many benefits to enhance your viewing experience: Effortless Adjustment for Any Display: This Heavy Duty