8PCS BRAKE BLEEDER WRENCHES BLEED EXTRACTOR 12PTS SOCKET & CHECK VALVE KIT Power brake free pumping unit with ratchet wrench. Built in wrench and socket design make it easier to loosen and lock. It is applicable to brake oil system and clutch hydraulic system. It can be operated without moving the wheel. 1.2m rubber hose with check valve for safer operation. The inner tube is made of high-quality materials, which can be used for a long time. Package List： 1 x wrench 1 x 1.2m rubber hose 6 x check valves:7 mm,8 mm,9 mm,10 mm,11 mm,12 mm