Switching by Lines
Point/Stream (continuous) mode key allows conversion between point mode measurement for plotting points on straight lines and stream mode for tracing curves on curved lines.

More Compact and Lightweight
The weight is only 630g, and the compact design allows for easier measurement.

More Colorful Measurement
3 colors--, metallic gray, pastel blue, and pastel red.

Total and Average As You Go
By measuring the same diagram more than once, a more accurate average or cumulative measurement for large scale diagrams can easily be done with these special keys.

Measurement of Reduced/Enlarged Scale and the Vertical Scale with Different Horizontal Scale
The “Marble” can also measure the area of a scaled plan.


Auto-Close Function
Automatically finishes measuring when it is returned to the starting point during measurement.

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