1 Tire depth gauge. Depth range: 0-25mm. The reading is clear, the warning value is particularly clear. Red area: 0-3mm&0-3/32. Yellow area: 3-5mm&4-32"-5/32". Green area: 5-25mm&6/32"-1". Red zone: tires need to be replaced; yellow zone: warning about to be replaced; green zone: normal use.
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