Improved L-BOXX Click Mechanism Allows Stacked Boxes to be Easily Opened for Convenient Handling. Extensive Compatibility with L-BOXX Variants, Tool Inlays, and the Sortimo In-Vehicle System. Design Stability: Durable material, securely closing latches, and a top handle make it simple to transport. With the improved L-BOXX mechanism, you can easily lock tool cases together for easy transport and handling. Robust design that is simple to lock and unlock for quick access to tools. It can withstand top loads of up to 100 kg, in-box loads of up to 25 kg, and has a tensile strength of 50 kg. Fits perfectly and without an adapter the German TÜV-tested in-vehicle equipment system from SORTIMO.