Adjustable F type wrench

The utility model discloses an adjustable F type wrench, and relates to an auxiliary tool which is used in the fields such as petroleum, chemical industry and smelting. The adjustable F type wrench consists of a fixed clamping head, a wrench main body and a handle sleeve, wherein the fixed clamping head is fixedly arranged at one end of the wrench main body, a rod body of the wrench main body is connected with a movable clamping head in a sleeving way, the movable clamping head and the fixed clamping head are arranged in the same direction side by side, the other end of the wrench main body is movably connected into a telescopic sleeve in the sleeving way, one end, which is connected with the wrench main body, of the telescopic sleeve is provided with an adjusting nut in a matching way, and the other end of the telescopic sleeve is connected with the handle sleeve in the sleeving way. According to the adjustable F type wrench disclosed by the utility model, the structure design is reasonable, the size of a clamping opening can be adjusted because of the movable clamping head, the adjustable F type wrench can adapt to valves in different types, the part, which is arranged in the telescopic sleeve, of the wrench main body can be pulled out when the adjustable F type wrench meets with a valve in high difficulty, the moment arm of the adjustable F type wrench is extended, and the labor-saving purpose is achieved; because the adaptability is good, wrenches in various types do not need to be configured, the burden on a worker is relieved, the working efficiency is increased, and the diversity of a tool is realized.