Description The Brake Bleeder Adapter Master Kit from Power Probe has it all. Finally, custom fit brake bleeder adapters that work. Our master cylinder Master Kit gives you the specific tools you need to get the job done. Each adapter is designed to match a specific manufacturer for easy installation and a leak-proof seal every time. 360 degree Swivel Nipple fittings saves wear & tear on pressure hoses and eliminates clearance issues. Color Coded Anodized Aluminum caps for easy recognition and protects from corrosive brake fluid for years. Standard brass fittings insure compatibility with all styles of Brake Bleeders. Expandable O-Rings guarantees a leak-proof seal every time.