With this easy to use gadget you know immediately when you need to replace your tires! Just insert the gauge pin into the shallowest tire tread groove and read the easy to follow color guide.
GREEN: Safe - Good for dry clear roads. For snow, consider replacing tires for better traction
YELLOW: Caution! Consider replacingt tires for wet roads.
RED: REPLACE!! Replace immediately! Unsafe and inmost states tires are legally bald!
Materials: ABS , steel, copper
Size: 3 1/2 x 1 at widest point
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