[ Eye & Eye ] ¡Ü End fittings are Quenched and Tempered, bodies heat treated by normalizing. ¡Ü Hot Dip galvanized steel. ¡Ü Turnbuckle eyes are forged elongated, by design, to maximize easy attachment in system and minimize     stress in the eye. For turnbuckle sizes 1/4" through 2-1/2", a shackle one size smaller can be reeved     through eye. ¡Ü Modified UNJ thread on end fittings for improved fatigue properties. Body has UNC threads. ¡Ü TURNBUCKLES RECOMMENDED FOR STRAIGHT OR IN-LINE PULL ONLY.