Suitable for outdoor and wet applications, these turnbuckles have a strong, seamless construction and a galvanized finish that resists rust and corrosion. All meet ASTM F1145-92 Type 1, Grade 1. Forged Galvanized Steel Turnbuckle, Eye & Eye, 1"-8 Thread, 24" Take-Up, 10000# Wll. Approx. Length Range of 39 3/4" to 63 3/4"