Fits 17' to 32' Screens: Compatible with most computer monitors 17' to 32' in size and 4.4 lbs to 19.8 lbs in weight (each) with VESA 75x75mm or 100x100mm mounting holes Articulation and Height Adjustment: Flexible arms offer smooth tilt, swivel, and full rotation for comfortable viewing angles. Dual mechanical springs provide smooth height transitions by perfectly counterbalancing the weight of your monitors