TN 78563 / 4026155 Front Squeegee-Urethane for Tennant. Priced Each. 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. Fits popular Tennant machines such as the 528. Measures 46 5/8" x 3". Replaces Tennant 78563 / 4026155. Our Part Number TN 78563 / 4026155