Product Info Catalog Contractor Hand & Power Tools KLEIN Erection Wrench, 5/8'' Bolt, for U.S. Heavy Nut 3211 KLEIN Erection Wrench, 5/8'' Bolt, for U.S. Heavy Nut 3211 Manufacturer: Klein Tools Model Number: 3211 Description Forged from select alloy steel to withstand 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 better than other wrenches. Please contact us for current pricing and availability.