Humanscale 5GSM is the short mechanism (18″ track) that provides easy dial-a-tilt and height adjustability with a shorter arm for small workstations and tight spaces. This mechanism has 4” height adjustment 0.5” above the track to 3.5” below the track. Comes with your choice of Standard 900 board or 550 Big Compact board with optional palm support.
Humanscale 900 Standard board -19″ wide x 10.65″ deep made of phenolic composite (1/4″ thin) in Graphite or Platinum Humanscale 550 Big
Compact board – 25″ wide x 10.625″ deep, made of phenolic composite (1/4″ thin) in Graphite or Platinum, comes with built in mousing surface