Hi, I have a Craftsman snow blower that is 15 years old The make and model # has worn off. All I can tell you is that it is 2 stage, green in color, markings on the shroud say 9.0/28. I need a blade for it. I ordered one about 4 years ago, but as I said earlier, due to wear and tear, the model and serial # have worn off. Anything you could do to help would be very much appreciated. Thanks David