AD 56112249 Polyurethane Rear Squeegee Blade Kit for Nilfisk Advance SC750, SC800 26" & 28" Walk Behind Floor Scrubbers. This kit contains the inner slotted squeegee and the outer rear squeegee. These blades are the upgraded clear, oil, chemical, and abrasion blades. Urethane blades can be used on abrasive surfaces such as unfinished concrete, asphalt and sidewalks. Urethane blades are also extremely oil-resistant and won't "curl" like standard gum blades. This blade kit fits Nilfisk Advance model SC750, SC750ST, and SC800 walk behind floor scrubbers which use the 26" Disc, 28" Disc or 28" Cylinder brushes. These include SC750-26D, SC750-28D, SC750-28C, SC750 ST-26D, SC750 ST-28D, SC800-28D, and SC800-28C. This kit fits only on the 26/28" weldment (AD 56112216). For the larger 32/34" models, use AD 56112252. One blade kit required per unit. Sold per set of two blades. Replaces Nilfisk Advance 56112249, 56112332. Our Part Number AD 56112249