The video shows a close-up view of an engine block, which is a part of an automobile's engine. The engine block is made of metal and has several components attached to it, including a chain that is wrapped around it. The chain appears to be a part of the engine's mechanism, possibly used for timing or tensioning purposes. The engine block is also equipped with various bolts and nuts, which are used to secure the components in place. The background is dark, indicating that the video was likely taken in a workshop or garage setting.