The StackTech Tool Box is a standard-capacity workhorse. 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 with a one-handed center latch, standard to every size toolbox and organizer. Inside, you'll find various bins and dividers along with grooves for 2 DIY dividers (not included) to help Pros stay organized and partition their space. Full customization is at Pros fingertips with tool-free, quick-release steel accessory rails. StackTech Tool Box is built for high-impact durability with armored corners, a steel-reinforced lid, and IP65 dust and water protection to ensure it can handle the toughest conditions. Dual locking points secure tools on and off the jobsite. The StackTech Tool Box is engineered for Pros to build a system unlike any other and customize it to the needs of every trade.