The video shows a person's hands using a metal tool to tighten a bolt. The person is using the tool to turn the bolt clockwise. The tool appears to be a wrench or a similar type of tool used for tightening or loosening bolts. The bolt is located on a metal surface, possibly a piece of machinery or equipment. The person's hands are steady, and they seem to be experienced in using the tool. The background is blurred, but it appears to be an industrial or workshop setting.