Foam insert fits neatly into the bottom of Systainers 1-5 to help secure or protect stored items. Ideal for delicate or sensitive tools, lasers, measuring equipment, cameras or electronics. For more padding use several foam inserts. Festool Systainers make Organization easy. The Systainer System offers a rugged, flexible, and convenient means of storing, carrying, and combining tools and accessories. The Systainer System makes it possible to configure highly mobile, job-specific kits, helping you to work more efficiently and stay better organized.