Feature●High Quality Material: The 1/2x28 to 5/8x24 thread protector made of aluminum with uniform black oxide finish.●Design: Smooth and accurate threading and good knurling to provide excellent grip.●Function: Used to replace damaged parts and prevent leakage.●Easy installation: Remove worn threaded joint parts, replace parts and washers, and tighten manually without tools.●Package Includes: Contains 2 knurl thread adapters and 2 rubber washers for 1/2x28 to 5/8x24.Description