The Stanley FatMax Tstak V FMST1-71970 is not just an organizer. You simply click on other Tstak modules from Stanley or DeWalt. In the organizer you can store your tool accessories neatly together. The transparent lid has grooves, so that it holds the 7 removable boxes in place. There is also storage space on the sides next to the trays. You fill the organizer up to 20 kilograms of stuff. From now on you keep your screws, nails, plugs and nuts organized together in the FatMax Tstak V FMST1-71970.