The video shows a close-up of a person's hand using a wrench to turn a bolt on a machine. The person's hand is visible in the frame, and the wrench is being used to tighten the bolt. The machine appears to be made of metal and has several other bolts and components visible in the background. The person's hand is steady, and the wrench is turned with precision. The video is shot in a well-lit area, and the focus is on the action of the wrench and the bolt.