Measures the height of track rails:

-  Inch readout to 0.0005”

-  Metric readout to 0 .01 mm

-  Easy View Large LCD Screen

-  Humidity & Dust Resistant

-  Measures in two positions – with display parallel to rails or perpendicular to rails (see pics)

-  Magnets draw gauge down on rail when measuring with display parallel to rails, allowing for hands-free measuring

-  Slide gauge along rail and check for rail height variation