This 12‑piece brake bleeder adapter kit is engineered for precision fluid service across a wide range of vehicles. Includes 10 adapter sizes (29 mm, 33.5 mm, 34.5 mm, 42 mm, 43 mm, 43.5 mm, 49.5 mm, 50.7 mm, 56 mm, 74 mm) to fit a wide range of master cylinders.