Rocelco MA2 I+ 1 / 2 Double monitor Arm with GPCMA (Gas Piston Counterbalance Motion Assist) allows effortless independent screen adjustment for comfortable viewing. Fits two 13"-27I+ 1 / 2 screens up to 14.3 lbs each. Includes USB and multimedia ports to conveniently connect and charge your devices. Quick installation and adjustment - no tools required. Cable channels provide a hassle-free way to run your cables and maintain a tidy uncluttered workspace. Includes two mounting systems to attach to your desk - clamp and grommet. This product ships in approximately 1 days