AD 56381998 Urethane Disk Squeegee Kit for Nilfisk Advance. Priced Each. 26" Disk Deck Blade Kits (before TSBUS2004-884). Fits machines BR 600S/650S/700S/800S+C. Disk Deck Blade Kits include the mounting fasteners (Rivet, Nylon Tree Push-In), the two blades and two blades for use in Skirt Assemblies. 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 56381998. Our Part Number AD 56381998