AD 56114366 Urethane Disk Squeegee Set for Nilfisk Advance. Fits Clarke Machines Focus II 28" and Focus II 34". Inner squeegee measures 24 3/7" x 4", and the outer squeegee measures 24" x 4". 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. Priced per set of two blades. Replaces Nilfisk Advance 56114366. Our Part Number AD 56114366