• For use in a variety of soils • Bores different size holes by adjusting the yoke • Yoke is locked into position by the tightening of yoke-locking bolt • Heavy-gauge steel blades riveted to malleable iron adjustable yoke • Steel tee is welded to high tensile s • Adjustable - Steel • 3/4"" Pipe Shaft Diameter • Adjust. Dia. Ins.=6 • 7 • 8