Design: The double-walled case made of PP and the polycarbonate lid ensure high load capacity and stability. A comfortable locking mechanism allows for one-handed operation, and the carrying handle features a safety lock. Profile grids in the lid and bottom secure the interchangeable inserts and their contents during transport, preventing them from spilling. Mobile carrying box made of polypropylene, steel blue. Equipped with 4 assortment cases No. 693520 size 15 with 15 inserts. The assortment cases securely snap into the carrying box through a side profile.