Gold Yoke Spring: 2.6–4.9" | Compression: 2.6–11.8". ✔ Yoke Specifications Black Yoke Spring: 3.4–6.3" | Compression: 3.3–12.8". Silver Yoke Spring: 4.9–8.3" | Compression: 3.0–12.6". High-strength #45 carbon steel, locking safety tongues and protective sleeves provide stability and peace of mind.