In the video, a person is seen using a tool to measure the thickness of a piece of wood. The tool appears to be a digital caliper, which is placed on top of the wood. The person's hands are visible as they adjust the caliper and take measurements. The wood is light-colored and appears to be a softwood, possibly pine or spruce. The caliper has a digital display that shows the measurement in millimeters. The person's actions are deliberate and precise, indicating that they are likely experienced in using this type of tool. The background is a workshop environment, with various tools and materials visible.