Measuring poles and rods are tools used to measure distances or depths in a vertical direction, such as the depth of water, the height of a building, or the depth of a borehole.

Measuring poles are typically made of lightweight materials, such as aluminum or fiberglass, and can be extended to various lengths depending on the application. They may be marked with measurements in feet or meters, and may have additional features such as a built-in level or a hook for attaching to a measuring tape.

Measuring rods are similar to measuring poles, but are typically shorter and more rigid. They may be made of materials such as wood, aluminum, or fiberglass, and may be marked with measurements in inches, feet, or meters.

Both measuring poles and rods can be used for a variety of applications, including surveying, construction, and engineering. They are particularly useful for measuring vertical distances or depths that are difficult to reach with other tools.

When using a measuring pole or rod, it is important to ensure that the tool is level and stable, and that the measurements are taken accurately. It may also be necessary to use additional tools or equipment, such as a measuring tape or laser distance meter, to verify the measurements and ensure accuracy.

Overall, measuring poles and rods are a useful tool for many applications where vertical measurements are required, and can provide accurate and reliable results when used correctly.