The video shows a person wearing black gloves working on a car's brake system. The person is holding a brake caliper in their hands and appears to be either installing or removing it from the brake assembly. The brake caliper is made of metal and has several bolts and nuts that need to be tightened or loosened. The person is using a wrench to turn the bolts and nuts. The background shows a red jack and a concrete floor, indicating that the work is being done in a garage or workshop setting.