This automotive brake bleeder hydraulic pump kit is used in conjunction with your air compressor to quickly assist in releasing air from your brakes. It effectively changes oil and drains air, making it simple to operate. The kit is suitable for cars, trucks, and construction vehicles, and is made of metal and plastic. The inlet pressure is 6-12bar, and the thread connection is 1/4 inch BSP (female). The kit includes one set of car brake oil filler. Please note that due to the difference between different monitors, the picture may not reflect the actual color of the item, and due to manual measurement and different measurement methods, please allow 1-3mm deviation.