The TSTAK deep box with flat top offers new innovation in storage options. This flexible platform allows different combinations; all units can stack on top of each other. This unit can be used for storage of corded and cordless tools and features a removable tray for access to essential tools. Features: Lockable: Via padlock for added security Heavy Duty Metal Front Latches: increasing strength, durability and longevity Durable side latches: To ensure units are fixed. Built-In wide handle for easy and stable portability Removable storage tray for easy access to commonly used tools and accessories