The Proper AV Dual Arm Gas Spring Full Motion 13 - 27" Desk Clamp PC Monitor Mount; is a professional counter balance mount and is the ultimate bracket for all desk setups. The 360 VESA plate allows for viewing at all angles while the gas spring perfectly counter balances the weight of your monitor. It also features a built-in spring gauge for perfect weight adjustment while integrated cable management keeps your workspace organised. For 13 - 27" monitors, VESA: 75x75 / 100x100, Max. For 13 - 27" monitors. Manufacturer’s 1 year guarantee. EAN: 5055189027299.