FC 500-1139U Urethane Disk Side Squeegee for Factory Cat Tomcat. Priced Each. Measures 24 5/8" x 4". Fits popular Factory Cat Tomcat machines such as the 390, 420, 430, 490, 550. 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. Replaces Factory Cat Tomcat 5001139U. Our Part Number FC 5001139U