TOUGHBUILT-STACKTECH COMPACT TOOL BOXThe StackTech Compact Tool Box is a modular option for layered organisation. It features an intuitive self aligning top that allows StackTech boxes and totes to virtually stack themselves. An auto locking interface ensures boxes seat securely, lock into place for transport, and easily unlock with a slide of the switch. A prominent lock indicator lets you know your Stack is safe to move without second guessing. Accessing tools is simple and intuitive