Features and Benefits:3 Tab Cam Locks;360 Degree Swivel Typical Automotive Style Air Hose Nipple;Expandable O-Ring for a Leak-Free Seal;Aluminum Body;Color Coded;Expandable O-Ring Adapter with Adjustable O-Ring Clips for Master Cylinders. Fits Toyota and Lexus Master Cylinders with Diameter of 1.65 - 1.83 Inches. Expandable O-Ring ensures a leak-free seal.