Federal Reserve looks for 'secret sauce' behind a successful Wisconsin tool maker

Snap-on sells custom tools to mechanics with a fleet of 3,400 rolling showrooms like this one. Its sales force visits nearly a million mechanics every week.

Business is booming for Snap-on, a Wisconsin company that has made tools for professional mechanics for more than a century. It recently got a fact-finding visit from the head of the Chicago Federal Reserve Bank.

(Image credit: Scott Horsley)