The 721 Modular System – Set B is a comprehensive  5-piece modular tool storage solution  from the DURATEC series, combining a   Large Rolling Toolbox, Medium and Small boxes, a Deep Organizer and a Shallow Organizer  for maximum internal organization.

It features an  IP65-rated silicone gasket seal  that keeps dust and water out, protecting tools in harsh outdoor environments. The  impact-resistant engineering-grade plastic body  withstands the toughest jobsite conditions, while  patented auto-locking  and  durable steel latches  ensure secure closure and effortless lock/unlock operation.

Integrated side accessory holes allow quick-release accessories to be added for a fully customizable solution, and the  customizable internal tray and bin design  lets users position small parts and accessories exactly as needed — ideal for sorting screws, fittings and components. Completed with  8-inch rugged reinforced wheels  for easy transport across any jobsite condition, the Set B delivers durable, flexible and highly organized storage for professional tradesmen