Erection Wrench, 5/8'' bolt, for utility nut with overall length: 14-3/4'' (375 mm), head width: 2-1/4'' (57 mm), nominal opening: 15/16'' (24 mm) and taper diameter: 7/8'' (22 mm) to 3/16'' (5 mm). Forged from select alloy steel to with stand high-leverage and heavy loads. Extra heavy-duty head area gives maximum strength and durability. Continuous taper of handle makes lining-up bolt holes easy and works on a range of bolt and/or hole sizes without binding. Extra-large hub area works on larger diameter holes than other wrenches. Catalog number, bolt size and nominal opening size are stamped on every wrench for easy identification. American Bridge design.