Makita Maktrak is the Next Generation in modular storage. The Maktrak Extra Large Extension Tool Box (T-90021) is a modular storage solution to transport, access, store and organize job site equipment and tools and is ideal for stacking on the Rolling Tool Chest. The Extra Large Extension Toolbox is engineered for transporting equipment and larger tools to and from the job site. It has a holding capacity of 3,569 cu.in. and up to 100 lbs. It's equipped with large glove-friendly latches for easy access, and the dual hinged removable lid allows access from both sides. The T-90021 is constructed of impact-resistant copolymer to withstand the toughest jobsite conditions. The included storage tray is designed to be a cordless charging solution, with dedicated space for a charger and batteries (charger and batteries sold separately). The Maktrak System is designed, engineered and made in the U.S.A. with global materials, and built on four core functions - Transportation, Access, Storage and Organization. Each function is backed by unique design and engineering that makes Maktrak the most advanced system on the market.