Fine measurements have always been very difficult to achieve with physical equipment, which is what has driven the adoption of the digital caliper. The original Vernier caliper made it possible for anyone to measure small objects with an accuracy of a thousandth of an inch, but there was always a learning curve involved in being able to make that measurement. With a digital caliper, that learning curve is gone; rather than interpreting marks on steel, you simply read the numbers off of the display. It is both more accurate, because you do not have to figure out what you are reading, and faster to use because the number is right there. With a Starrett digital caliper, you can get the measurement quickly and switch from standard to metric instantly. A quick visit to eBay is a great way to find a new or lightly used caliper for any situation. Get your measurement right the first time without having to squint to read tiny marks on a metal scale.
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