Jaw capacity:1-5/16″,1-1/8″,15/16″,3/4″ Made of high-quality chrome vanadium steel, heat-treated and durable. Heavy-duty adjustable wrench, sizes include 6-in, 8-in, 10-in and 12-in. Precision-made jaws with laser-etched scales will come in handy in every job you encounter. Larger knurl for easy adjustment ensures a tight jaw fit. High quality and durable, we provide warranty service. On Jun-30-22 at 00:00:49 PDT, seller added the following information: