× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: 4/32'
Posted to Open Discussion Forum on 6/23/2023

[...trimmed text...]

Tread depth rules were written into law long before tires went to metric sizing. So like the rest of the imperial measurements, we find any reason we can to cling to them.

The reason they don't red... Login to read more.