The SYS3 Starter Set provides a great way to get organized with Systainers or expand on an already established Systainer collection. Includes three (3) empty SYS3 Systainers at different heights to accommodate a wide range of organization needs. Organizing small parts is simple in the Organizer Systainer, with the clear top providing a quick and easy reference. The Toolbox, with its collapsible handle, is the go-to for the odds and ends that are part of every job. The included SYS3-SN/4 rails work with the integrated slide groove in the side of the Systainer to provide the basis for self-made storage cabinets. Includes: Empty Systainer - M 137, Empty Systainer - M 187, Empty Systainer - M 237, Organizer - M 89 with 22 Containers, Toolbox - M 137, Mounting Rails - 4 pairs