[ Hook & Hook ] ¡Ü End fittings are Quenched and Tempered, bodies heat treated by normalizing. ¡Ü Hot Dip galvanized steel. ¡Ü Hooks are forged with a greater cross sectional area that results in a stronger hook with better fatigue     properties. ¡Ü TURNBUCKLES RECOMMENDED FOR STRAIGHT OR IN-LINE PULL ONLY. ¡Ü Modified UNJ thread on end fittings for improved fatigue properties. ¡Ü Body has UNC threads. ¡Ü Lock Nuts available for all sizes ¡Ü Fatigue Rated.