AL 7-77-00068N Neoprene Back-up Squeegee Blade for American Lincoln 7700 Narrow and Wide Aisle Riding Scrubbers. Slotted chemical resistant neoprene rear inner squeegee blade. Measures 62" x 3-5/8" x 1/8" with 6 square notches. One blade is required per squeegee assembly. These mount on the very back of the squeegee assembly and support the rear squeegee (7-77-00057). We also offer these in chemical and abrasion resistant urethane (use 7-77-00068U). Priced each. Replaces Nilfisk American Lincoln 7-77-00068. Our Part Number AL 7-77-00068N