6+ Tread Depth Chart. These inexpensive tools are inserted into the deepest tread groove and measure the. Web in snowy conditions, adequate tread depth is even more important.
These gauges may vary in design, but. Web if your tread depth is level with the tire’s wear indicator, your tires are completely worn out and need to be replaced asap. Web what is the minimum tread depth for front tires vs rear tires?