Toughbuilt StackTech 3 Piece Modular Rolling Tool Storage Wheeled Tool Box B1S3-B-70R STACKTECH The expansive and ever growing range of modula toolboxes, soft storage and accessories from Toughtbuilt. Cutting edge design that deliveivers unlimited customisation to compliment any trade. The ToughBuilt StackTech 3 Piece Rolling Tool Box Set (TB-B1S3-B-70R) delivers rugged, modular tool storage with unmatched convenience and organisation. This complete set includes a Rolling Tool Box, Large Tool Box, and Standard Tool Box, all featuring a self-aligning nesting design and StackTech intuitive auto-locking mechanism. Built from high-performance polymer with reinforced steel corners and lids, this system is engineered to withstand jobsite abuse while keeping tools secure and accessible.