Feature:
1. Carry it with you, easy to use.
2. Clear numbers and different colors are convenient for testing.
3. Use a cylindrical measuring rod to test more accurately.

Specification:
Material: Stainless steel, ABS
Size: 9x2.5cm/3.54x0.98in
Suitable for: General purpose

Instructions:
1. Push the probe up to the end
2. Place the black flat seat on the tire tread
3. Push the size down to the end and check the value

The meaning of the color:
Red zone: 0-3mm&0-3/32, need to be replaced
Yellow area: 3-5mm&4-32"-5/32" warning, will be replaced soon
Green zone: 5-25mm&6/32"-1", normal

Note:
Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!