AD 56116707 Urethane Rear Squeegee Set for Nilfisk Advance. Fits Advance SC6000 34D. Measures 43 1/8" x 3 1/3". 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. Replaces Nilfisk Advance 56116707. Our Part Number AD 56116707