Kits contain End Plates (x2) , Desktop Skins (as required by selected width), Rails (x4), M3 Tapped Strips (x4) and hardware.
M2.5 Tapped Strips and M3 Rail Nuts also available.
The maximum recommended module depth is 50mm although the bulk of the module spaceis just under 60mm - see 'floorplan' in the datasheet.
General user and assembly notes can be found at Studio 300 Datasheet