Once connected to the valve of your spare wheel, this brake bleeder will allow you to quickly and automatically replace the used brake or clutch fluid in your vehicle. TECHNICAL CHARACTERISTICS Adapts to most vehicles thanks to caps of different sizes. The brake bleeder uses the pressure of a tire to bleed the air from your hydraulic circuit. This kit comes with 4 different caps, which are screwed onto the different jars of fluid brake: 1 x 25mm threaded plug and gasket for Lockheed systems. 1 x 27mm threaded plug and gasket gasket for VAG system. 1 threaded plug 44/45 mm and 2 gaskets for Girling systems and for all ATE systems. 1 x 46mm Threaded Plug and System Gasket Girling. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.