Crescent Lufkin ProSeries Combination Square

Crescent Lufkin products represent a heritage of American toolmaking that dates back to the late 19th century. Originally founded as separate entities, Lufkin specialized in measuring rules while Crescent became iconic for the adjustable wrench. Today, these brands are merged under a single identity within the Apex Tool Group portfolio.

While the brand's engineering and design origins are rooted in the United States, manufacturing for modern measuring tools like the ProSeries combination square is primarily conducted in China to maintain competitive global pricing. However, specified professional lines continue to see production in various international facilities to meet industrial standards.

Ownership of the brand resides with the Apex Tool Group, a massive global tool manufacturer formed via a joint venture between Danaher and Cooper Industries. Apex is currently owned by Bain Capital, which maintains headquarters in the United States, managing a wide array of some of the most recognizable manual and power tool brands in the world.