QA1 PCY Series rod ends feature a 2-piece chromoly steel design and a heat-treated, black oxide coated body for corrosion resistance. The ball is heat-treated as well, with a precision-ground, hard chrome plated finish. The ball is specially designed for high-misalignment applications. BALL · 52100 Bearing Steel · Heat Treated · Hard Chrome Plated · Precision Ground BODY · Chromoly Steel · Heat Treated · Black Oxide Coated · PTFE Lined (PCM-T)