With a PTFE liner added to the traditional three-piece chromoly steel female rod end, QA1's HF-T Series rod ends are ideal for a variety of applications. True precision rod ends, the HF-T Series are available in right and left hand threads and in metric and inch dimensions. Stud configurations are available by calling 800-721-7761. BALL, 52100 Bearing Steel, Heat Treated, Hard Chrome Plated, Precision Ground, , RACE, Low Carbon Steel, Corrosion and Wear Resistant, PTFE Lined, , BODY, Chromoly Steel, Heat Treated, Protective Coated for Corrosion Resistance.