StackTech 3-Drawer Tool Box features an intuitive self-aligning top that allows StackTech tool boxes and organizers to virtually stack themselves. An auto-locking interface ensures boxes sit 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 without unstacking is simple and intuitive with 3 self-latching drawers. Inside, you'll find a set of dividers for each drawer (22 dividers total) to help Pros stay organized and partition their space. Full customization is at Pros fingertips with tool-free, quick-release steel accessory rails. StackTech 3-Drawer Tool Box is built for high-impact durability with armored corners and steel ball-bearing slides to ensure it can handle the toughest conditions