From home improvement projects to everyday objects, we all need to measure things of all shapes and sizes at some point in our lives. The Rollova 2.0 Digital Ruler makes accurate measurements a ...

The ruler even features a data-saving function that can store up to 99 measurements. As its name suggests, you simply roll it over the distance you want to measure to get your reading.

September 23, 2021 - 2:00 pm TLDR: The Rollova 2.0 Digital Ruler slips into your pocket and springs to life to measure over any surface, even curves, with just a simple roll.

The pupillary distance (PD) measurement is a requirement for people who want to purchase eyeglasses. Here, find out how to measure your PD using a mirror and a ruler. Share on Pinterest Some ...