The Car Certified Tools Master Brake Adapter Kit is designed to match a specific manufacturer for easy installation and a leak-proof seal every time. Each adapter has 360-degree swivel nipple fittings which save wear and tear on pressure hose and eliminates clearance issues. The kit fits all vehicle makes and models and works with other brake bleeders using its conversion adapters. The anodized aluminum caps are color coded for easy recognition. The kit also features expandable O-rings to ensure a leak-proof seal, standard brass fittings for compatibility with all styles of brake bleeders, and quick and easy installation.