Heavy-duty industrial wrench set featuring a classic auto monkey wrench and an adjustable crescent wrench engineered for high-torque fastening, plumbing, and mechanical maintenance. Drop-forged from heat-treated alloy steel with a durable black oxide finish to resist corrosion, wear, and job-site abrasion. Equipped with precision-machined knurled adjustment screws and parallel jaws that provide a secure, non-slip grip across large hexagonal, square, and irregular pipe fittings.