Vintage John Deere Connecting Rod Cylinder Head Wrench Socket Tool. This measures 12" long, I'm guessing the sizes are 1" on the 6 point end and 7/8" on the other. it does show some rust, pitting and wear from use/age, also it looks like someone clamped a vise grip on the middle of the wrench as it shows wear marks from a set of jaws clamped to it-see pics and judge for yourself. . it has no ID markings on it.
