This digital caliper is made of very strong durable and lightweight carbon fiber and therefore the chance of scratching and damage is much less.
You can make a measurement in two ways, with the sliding pins on the top you can measure an inner diameter, the inside of a setting for example. Use the lower pins to measure the outer diameter, eg of a pearl or silver wire.
The caliper can be calibrated at 0 and can be measured in cm and in inches.
Range: 0.1mm to 100mm or 0.1 to 4 inches
display: lcd screen
Battery is included: SR44 / LR44 1.5V
Length: 17.5 cm / 6.83 "