About the product
- Made of high quality carbon steel, good toughness, high hardness, sturdy and durable, wear-resistant, not easy to rust and corrode, accurate measurement
- Heavy duty & good construction, a great tool for doing large carpentry work, scribe, drafting, metal work, and leather work
- Lockable wing provide quickly measure, copy measurement, repeat measurement, measurement transfer and repeated circle drawing
- The tips are hard and sharp, they can clearly & easily draw lines on the surface of metal, plastic, wood and other workpieces
- The leg is 6 inches long, the maximum span (radius) is 8.0 inches, and maximum drawing circle diameter 16 inches
