Each scale on the blade of the product is laser engraving, which is clear to read and easy to identify. Don't worry that long-term friction will make the scale unclear.
Made of stainless steel, surface chrome-plated, anti-rust, high hardness, good wear resistance, not easy to deform.
The notch design of the product shell is easy to use, and the 360-degree locking screw design allows you to fold or release it easily.
Mainly used for measuring the radius of arc surface, such as shaft processing surface, steel pipe, ceramic pipe inspection, etc.