This Particular Rod End is ‘Over-Size’ in Eye Diameter by 0.007″, intended use is for Steering Shaft Support. Being oversize eliminates the possiblility of rod end sezure creating a locked steering shaft. QA1 C Series rod ends are a perfect choice for an economical, yet durable rod end. Featuring a coated carbon steel body and a heat-treated ball, they will perform and last. Also available in a PTFE lined version, the QA1 C Series rod ends are an excellent budget-minded choice. BALL ·52100 Bearing Steel ·Heat Treated ·Hard Chrome Plated ·Precision Ground BODY ·Carbon Steel ·Protective Coated for Corrosion Resistance