Tool History

This is a detailed look at four-in-hand rasps. Discover what these multi-surface tools are and why modern versions differ so drastically from originals.

This is a detailed look at hand-stitched and machine-cut rasps. Discover why the manufacturing process creates completely different cutting performance.

Collated screws solved the problem of loading fasteners one at a time. The plastic strip system is clever engineering that breaks apart exactly when it needs to.

This is a complete look at leveling tool history. Learn how construction leveling evolved from ancient string lines to modern laser systems with this detailed exploration of the technology.

An examination of Stanley hand plane development, exploring the Bailey patent system, numbering conventions, and production changes that defined a century of woodworking tools.