The 721 Modular System – Set I is a professional-grade modular tool storage solution from the DURATEC series, comprising a 4-Wheel Cart, two 2+1 3-Drawer Toolbox and a Large Organizer — a complete 4-piece set for serious professionals who need maximum organization and mobility.

It features an IP65-rated silicone gasket seal that keeps dust and water out, while its impact-resistant engineering-grade plastic body withstands the toughest jobsite conditions. Patented auto-locking with durable steel latches ensures secure closure and effortless lock/unlock operation.

Customizable internal organizers with tray and bin design let users position items exactly as needed, with two interior options (dividers for structure, or foam for custom fit). Integrated side accessory holes allow quick-release accessories for full customization, and a braking system locks the wheels to prevent unintentional rolling, keeping the cart stable while in use.