Manufacturer: MARATHON
Brand: Marathon
Model: CO030150
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A caliper ( British spelling also calliper) is a device used to measure the distance between two symmetrically opposing sides. A caliper can be as simple as a compass with inward or outward-facing points. The tips of the caliper are adjusted to fit across the points to be measured, the caliper is then removed and the distance read by measuring between the tips with a measuring tool, such as a rulerA refinement now popular is the replacement of the analog dial with an electronic digital display. This version of the caliper allows reading the value directly from a single display. Many digital calipers can be switched between metric and imperial units. All provide for zeroing the display at any point along the slide, allowing the same sort of differential measurements as with the dial caliper but without the need to read numbers that may be upside down. Digital calipers may contain some sort of "reading hold" feature, allowing the reading of dimensions even in awkward locations where the display cannot be seen.A refinement now popular is the replacement of the analog dial with an electronic digital display. This version of the caliper allows reading the value directly from a single display. Many digital calipers can be switched between metric and imperial units. All provide for zeroing the display at any point along the slide, allowing the same sort of differential measurements as with the dial caliper but without the need to read numbers that may be upside down. Digital calipers may contain some sort of "reading hold" feature, allowing the reading of dimensions even in awkward locations where the display cannot be seen.
![Electronic 6\](https://images-na.ssl-images-amazon.com/images/I/41Fdd8CcgFL._SL110_.jpg "Electronic 6\")
![Flexible Arm Vise Grip with 1\](https://images-na.ssl-images-amazon.com/images/I/51RuCvBxU9L._SL110_.jpg "Flexible Arm Vise Grip with 1\")
