For Unior 1693EL. Foldable laptop holder mounts to the Union’s electric repair stand column and provides optimal placement for laptop. Tray is large enough to support laptops up to the size 15" and can rotate for 90 degrees left or right. Foldable arm is 500 mm long and allows to pull the laptop over the bike, closer to you, or move it out of work area when not in use.