Englo designs and manufactures devices to measure depth of surface holes. These devices can be used to conveniently and quickly determine the depth of holes or ruts in pavement, gravel, soil and other surfaces.

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The surface hole depth measuring devices include a vertical measuring rod with scale and base and two bubble inclinometers to properly position the device on the horizontal surface. 0.95m and 1.95m measuring bar help optimize the device for different measurement conditions.