Thexton master brake bleeder and plug kit – thx849 thextons master cylinder brake bleeding plug kit includes long-lasting aluminum adapters for sae and metric fittings. Bleeder adapters fit most makes and models to remove air from master cylinder. Also, includes the new ford f-150s adapters. Plugs enable the technician to isolate the master cylinder from other brake components. Plugs test whether the internal seals are leaking or in good condition. Includes bleeder plug adapters for the following: sae: (2) 3/8-24, (2) 7/16-24, (2) 9/16-18, (2) 9/16-20, and (2) 1/2-20. Metric: (4) m10x1.0, (4) m10x1.25, (1) m10x 1.5, (2) m11x1.5, (2) m12x1.0, (2) m12x1.5, (2) m13x1.5 (2) m14x1.5. Also included: (4) check valve assemblies, (4) bleeder hoses, and (1) tubing holder