【Fitment】Complete port blocking solution - Includes both 9/16"-18 and 1/2"-20 inverted flare nuts for unused master cylinder ports 

【Fitment】For master cylinder for block off unused ports in a 4 port 

【High Quality】Durable steel construction, Made of high-quality materials and feature strength and durability.Silver-finished nuts provide reliable sealing and corrosion resistance 

【Essential brake system component 】Prevents fluid leaks and maintains proper brake system pressure 

【Package include】1pcs 1/2"-20 Nut and 1pcs 9/16"-18 Nut