Design factor proof load 2.5:1, ultimate load 5:1
Forged carbon steel, bodies heat treated by normalizing, end-fitting quenched & tempered
Hexagon heads forged into bodies permit fast and easy adjustments
Hot dipped galvanized
Meeting the requirements of U.S. Fed. Spec. FF-T-791B Type 1, Form 1 (open body)
Permanently embossed with R, L, VGD© and size for traceability to meet ASME B30.26
UNC Threads