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STANLEY FMST82967-9 rolling tool storage boxes in construction site, multiple stacked units with handles.

The STANLEY® FATMAX® PRO-STACK™ Storage System

A video shows construction workers using and transporting STANLEY PRO-STACK toolboxes on a jobsite, demonstrating their durability, stackability, and mobility, followed by STANLEY and PRO-STACK branding.

Stackable Storage for Pros

As a PRO we know you need to be versatile, and organised, which is why at STANLEY® we’ve created the PRO-STACK™ stackable storage system that is as versatile as you are. Whether you need small accessories or large tools, you’ll be able to plan, pack and stack for the day ahead.

Designed for Versatility and Performance

Browse the Range and Build your Perfect Solution

STANLEY FMST1-80107 black stackable toolboxes with yellow handles on wheeled base in a construction site.

PRO-STACK™ – TSTAK™ Compatibility

Formerly known as the STANLEY TSTAK™ range, STANLEY has renamed the system and expanded the line-up to meet the demands of an even greater number of professional trades.

Furthermore, the new PRO-STACK™ storage series is fully compatible with the existing STANLEY TSTAK™ range. PRO-STACK™ and TSTAK™ units are interchangeable and can be used with one another as part of a universal storage system.