Measure the distance between two points. Before using the tracking gauge, check the measuring points with the steel tape.
(1) TRACKING GAUGE
Fit the tracking gauge correctly to the measuring point.
The dimension is indicated between the hole center.
If measurement is unavailable, use the method shown below.
(2) STEEL TAPE
Shape the end of the rule for ease of measurement.
If the measuring point hole diameter is different, use the following measuring method.
