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. It is designed to support up to 50 pounds of evenly distributed weight. The StackTech 3-Drawer Tool Box is a must-have for Pros to build a system unlike any other and customize it to the needs of every trade. EASY STACKING: With self-aligning nesting boxes. AUTO-LOCKING: The mechanism engages when the box is dropped into place. SLIDE SWITCH: Unlocks the stack and clearly indicates when it is locked and ready for transport. EASY ACCESS: Three drawers allow for quick access to supplies without having to unstack. AUTO-LATCHING DRAWERS: The mechanism secures drawers when closed to prevent unintentional opening. ACCESSORY RAILS: Allow adding quick-release accessories for a fully customizable solution. STRONG AND DURABLE: With high-performance polymer construction, powder-coated steel corners, and steel ball-bearing drawer slides. INTERIOR ORGANIZATION: Includes dividers for each drawer.