The Bowa Mini Brake Pad Wear Sensor - A059126 is a small, electronic sensor designed to detect the wear of brake pads on a vehicle. It is used in conjunction with the brake system to monitor the thickness of the brake pads and provide an alert when they need to be replaced. This sensor is compact in size and can easily be installed on most vehicles. It is a reliable and accurate way to ensure that brake pads are replaced at the appropriate time, helping to maintain the safety and performance of the vehicle.