The video shows a close-up of a bolt and nut on a piece of machinery. The bolt is silver and has a hexagonal head, while the nut is also silver and has a hexagonal shape. The machinery appears to be made of metal and has a circular shape with a hole in the center. The bolt is being turned clockwise, and the nut is being moved up and down. The background is blurred, but it seems to be a workshop or factory setting.