Heavy-Duty anti-rust metal latches on top case;Front push button for easy detaching/attaching of the 2 units;Top case Organizer for small parts with integrated handle;Long metal carry handle for easy grip when carrying;Heavy-Duty design for durable structure;Top case with organizer with integrated handle for small parts;Long metal carry handle for easy grip and carrying the tote;Heavy-duty design and durable structure;Front push-button for easy detaching/attaching of the case to the tote unit