The wider jaw opening and larger jaw capacity allow for a 60% wider opening than traditional wrenches, supporting larger nuts, bolts, and pipes. The opening of a 6-inch wrench is 1.34 inches (34 millimeters)Heavy duty adjustable wrench set with large opening adjustable wrench, available in different sizes, suitable for different environments. Suitable for disassembling and assembling pipes/nuts for various devices, cars, and bicycles in households. Very suitable for plumbers, electricians, automotive, natural gas industry and maintenance personnel, as well as any other difficult work that requires a wrench!High strength material heat treated chrome vanadium steel, with a black oxide polished surface, corrosion resistance, and better durability. The jaws are enlarged and deepened, providing strong clamping force. The comfortable grip design has durability and comfort.High precision laser marking of elevation accuracy scale can achieve precise fitting of fasteners. The wrench head is mirror polished, with clearer surface markings for easier operation.The depth of the adjustable wrench jaws is 30% longer than that of a regular crescent wrench. A longer jaw can grip better, while a thinner jaw makes it easier to enter narrow spaces. Very suitable for use in limited and narrow spaces to save your energy.