High Quality Material: The 1/2x28 to 5/8x24 thread protector made of stainless steel with uniform black oxide finish.
Function: The main role of the 1/2x28 to 5/8x24 thread protectors is to protect the threaded parts on the vehicle from damage, dirt and corrosion during maintenance, for automotive use only.
Design: Smooth and accurate threading and good knurling to provide excellent grip.
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.