LARGE VOLUME TOOL STORAGE: Store your power tools and hand tools TSTAK™ CONNECTIVITY: Durable side latches allow to connect multiple TSTAK™ modules on topUSEFUL WORKSTATION: TSTAK™ boxes can be stacked on lid side by side, facing both directions, to create a convenient workstation and provide maximum accessibility and safety QUICK ACCESS LID: Allows opening the half-lid on top for quick access to tools, without removing stacked TSTAK™ modules 2X IP54 Seals (one on large lid and one on quick-access lid): For resistance to dust and water MAXIMUM LOAD CAPACITY: 110Lbs/50gk in totalDesignated ribs for dividers placements ANTI-RUST METAL LATCHES & HINGES: For added durability PADLOCK EYE: For security. Both the main job chest and quick access lid are lockable. MAXIMUM VOLUME: 30 Gallons