CL 30049B Roller Guide Wheel for Clarke American Lincoln Scrubbers. 2" x 7/8" wide roller wheel. Durable synthetic wheel with a smooth rolling poly sleeve insert. These wheels fit on the squeegee weldment on either side of the squeegee vacuum hose or are commonly found stacked on units to prevent damage from contact with objects such as walls. Found on many popular Clarke American-Lincoln floor scrubber models including Encore 33HD Cylindrical. Two to eight roller wheels required per unit. Please check your parts manual for proper use and quantity needed per unit. Priced Each. Replaces Nilfisk Clarke 30049B. Our Part Number CL 30049B