Specification ~ The wrench kit includes 6 adapters, the sizes is 7mm/0.28in, 8mm/0.31in, 9mm/0.35in, 10mm/0.39in, 11mm/0.43in, 12mm/0.47in Provide convenience ~ The brake bleeder wrench kit is ideal for braking and hydraulic clutcher systems without the need to move the wheels Professional Tool ~ The brake bleeder wrench allows you to repair the brakes without removing the wheels or even lifting the vehicle Function ~ The brake bleeder wrench can help check the valve and brake fluid resistance, and eliminate air or old fluid from entering the brake system Wide range of applications ~ Brake bleeder spanner can be used in all vehicles, including car, SUV, light truck or motorcycle brake calipers or wheel cylinders