The TOUGHSYSTEM® 2.0 extra large toolbox has patented auto-connect side latches, allowing for one-hand operation. It also has 2-piece metal front latches for added durability when securing tools inside the box. It is IP65 rated for dust and water resistance and has a 110 LB. Load capacity. The toolbox has a removable inner tray for optimal organization. The TOUGHSYSTEM® 2.0 extra large toolbox is backwards compatible with any TOUGHSYSTEM® product.