The video shows a person's hand holding a black plastic piece and pointing to it. The person is standing in front of a car engine, which is visible in the background. The hand is moving the black piece around, possibly demonstrating how to use it or how it fits into the engine. The engine is mostly black and silver, with various tubes and wires connected to it. The person's hand is the main focus of the video, and the black piece is the object of interest.