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Quarter Tire Test

PETERSON AIR FORCE BASE, Colo. – Making sure tire tread is at least 1/8 inch deep is crucial for safe winter driving. Experts suggest the quarter test, where a quarter is inserted into the tread a various spots on the tire. If the top of George Washington’s head is covered your tread is good to go. (U.S. Air Force photo by Dave Smith)

PHOTO BY: Unknown
VIRIN: 160125-F-XM588-001.jpg
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