AUTO-LOCKING DRAWERS - Prevents drawers from opening during transport DURABLE RAILS - Rust-resistant to enable smooth drawer opening, closing, and long life ATTACHMENT-READY - Compatible with STACK PACK attachments OVERSIZE LOWER DRAWER - Ideal for larger tools like circular saws 70 LB. LOAD CAPACITY - Heavy load capacity for tools, materials, and accessories IMPACT PROTECTION - Built with an impact-resistant polypropylene body and aluminum-reinforced corners to withstand the toughest jobsite conditions ONBOARD SECURITY BAR - Locks drawers to prevent theft and stows between use REMOVABLE DIVIDERS - Organize a variety of hardware or supplies with included removable dividers to customize your configuration QUICK-CONNECT LATCHES - Fast and effortless interlocking connectivity allows you to quickly stack and unstack toolboxes WHAT’S INCLUDED – Tool box, onboard security bar, (2) long dividers, (6) short dividers