This 15" Adjustable Construction Wrench in a black finish by Armstrong is ideal for heavy construction and field service work. The large capacity jaw fits fasteners up to 1-1/8 inches while being an adjustable jaw eliminates the need for carrying several fixed head construction wrenches. A hardened tapered handle aligns bolt holes of mating plates and the continuous taper of the handle makes lining-up bolt holes easy and works on a range of bolt and/or hole sizes without binding. Manufactured from high alloys steel using the most up-to-date manufacturing process and heat treat for greater strength and durability. Meets or exceeds US Federal Specification GGG-W-636E.