The egg-crate style Protective Foam Lid Insert fits inside the Festool SYS-MAXI Systainer to help secure and protect your most valuable items. Ideal for delicate or sensitive tools, lasers, measuring equipment, cameras or electronics. Includes 1 dimpled insert for lid. Festool Systainers make organization easy. The Festool 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.