The video shows a person's hands holding a small metal object with a red knob on it. The person is using a machine to work on the object. The machine appears to be a CNC machine, which is a type of computer-controlled machine used for shaping and cutting materials. The person is adjusting the object and the machine to ensure that it is properly aligned. The video does not provide any additional context or information about the specific task being performed or the end result of the process.