Silver desk mount dual monitor arm supports large displays up to 30" (17.6 lb) per arm with 2 USB 2.0 passthrough plus 2 3.5mm audio - Full motion monitor mount with -90/+85 tilt +/-90 degree swivel 360 degree rotating (landscape/portrait) Ergonomic articulating arms move screens forward/back from base up to 17.7" Spring-assisted adjustable height up to 17.7" Tighten double monitor arm to desktop with c-clamp / adjust arm balance with incl. tools - Detachable VESA 75x75/100x100 plate with quick release clip.