In the video, a person is seen holding a socket wrench with a socket attached to it. The socket wrench is being used to tighten a bolt on a piece of machinery. The person's hand is visible, and they are using the socket wrench with precision and care. The machinery appears to be made of metal and has a black color. The socket wrench is silver and has a shiny finish. The bolt being tightened is also silver and has a hexagonal shape. The person's hand is steady, and they seem to be experienced in using the socket wrench.