DoubleSight Dual Monitor Flex Extension - Add a 2nd Tier to any DoubleSight Flex Stand, VESA 75mm/100mm, up to 24" Accommodates Dual Monitors up to 24" Ships Completely Assembled Adjustable for Height, Tilt, Swivel and Pivot Lifetime Warranty Flexible Horizontal Arms provide a custom view every time Use with any other Flex Stand for 2nd Tier Viewing