Sucker Rod Wrench is made of high-quality alloy steel, and boasts and advantages of hardness and abrasion resistance. Its opening is applicable to the square shape of the steel-made sucker rod. The balanced design of wrench can reduce the fatigue of users, which is an outstanding tool for manual mounting and demounting sucker rod. Feature: (1) . Sucker Rod Wrench available for different size. (2) . National best quality with API standard. (3) . Short on deliver time. (4) . Made from heat-treated alloy steel. (5) . Easy to operation.