Please check the Mount Compatible ListNumber of MonitorsOne Monitor SizeUp to 32 Weight CapacityMaximum 22lbs VESA Size75x75mm and 100x100mm Two Locking SystemC-ClampMaximum support 4 thick desk Grommet-BaseMaximum support 4 diameter desktop cable grommet hole and 4 thick desk. Adjustment+90 ~ -90 tilt +90 ~ -90 swivel 360 rotate 31.5 height pole Up and Down 0.8 monitor height adjustable BenefitOpening up desk space for a new range of adaptable display position. Work more comfortable with the ergonomically correct position to reduce neck and eye strain. Package IncludeExtra Tall Single Monitor Mount (Black) x 1 Mounting Hardware Kit x 1 User Manual x 1