In the video, a person is seen holding a small black device with a digital display. The device appears to be a caliper, which is used to measure distances or dimensions. The person is using the caliper to measure the width of a small metal piece. The metal piece is held between the tips of the caliper, and the person adjusts the device to get an accurate measurement. The digital display on the caliper shows the measurement in millimeters. The person's hands are visible in the video, and they appear to be wearing a white shirt. The background is a dark surface, possibly a table or workbench.