[Multi Function]: Foldable design for easy and convenient use and store. Non-slip lock nut for steady leafs swaying. Blade protector has thumb notch to aid in removal of blades.
[Wide Application]: Suitable for designers, engineers, mechanics to measure the thickness of tappet clearances, spark plugs gaps, bearing clearances, piston ring gaps and other.
[Note]: The new item may be greasy because of the anti-rust oil, please clean it before use if you mind.