Then, check the coin: For a penny: Insert it head down ... tells you the exact measurement of the tread depth, so you can easily save up for new tires before your current ones wear down to the ...

A quick way to check your tread depth is with the penny test. Place a penny into ... wear not only tells you when it’s time ...

Considering how expensive new tires can be and the ... you can use a tire tread depth gauge, available at most auto parts stores, or the penny test. To use the penny method, place a U.S. penny ...

Compared with new tires, those with half their tread depth took 3 to 6 feet longer to ... tires have reached their wear limit is to insert a penny into each groove, Lincoln's head down, as shown ...