There is perhaps no more recognizable name in tools than Snap-On, and the company continues to make its popular tools at a ...

Snap-on is a producer and marketer of high-end tools and equipment including hand, air and electric tools. Snap-on caters to automotive, heavy-duty, military, manufacturing and aviation industries.

Ever noticed those weird, irregular symbols on your Snap-on wrenches? We look at the hidden meaning behind these marks and why they're essential for owners.