The video shows a person using a Milwaukee branded power tool to tighten a bolt. The tool is red and black in color and has a 20V battery attached to it. The person is wearing a black glove on one hand and uses the tool to tighten the bolt in a clockwise direction. The bolt is attached to a metal object that is clamped down to a workbench. The person's other hand is holding the metal object steady while the tool is being used. The video is shot from a top-down perspective, and the background is a workshop environment with various tools and equipment visible.