FC 4304035 Wiper Blade Urethane, Set Of 2 for Factory Cat, Tom Cat. Polyurethane blades are commonly used for special situations where heavy oils or chemicals exist. These urethane blades are also very abrasion resistant and can be used in glass manufacturing facilities, bottling plants, or other areas where broken glass may be an issue. These can also be used on concrete sidewalks and similar abrasive surfaces. Blade has 5 mounting holes. Priced Each. Replaces Factory Cat, Tom Cat 4304035. Our Part Number FC 4304035