The QA1 K Series three-piece rod end is a male, right-hand unit with a 7/16in bore and 1/2-20 right-hand threads and includes a PTFE race lining, per the extended description. Carbon steel construction plus the PTFE lining provide smoother articulation and reduced friction for adjustable linkages. It’s suited to custom suspension and steering applications where low-friction pivoting and predictable fit are important.
QA1 K Series 3-Pc Rod End - Male/Right Hand - .4375in Bore x 1/2-20 - Carbon Steel w/PTFE