AL 7-08-03206-1 17" .070" .065"/46 Heavy Grit Plus (Supergrit Equivalent) Scrub Brush with Metal Lugs for American Lincoln 7000 and 7700 Scrubbers. .070" .065"/46 Heavy Grit Plus scrub brush is our most aggressive bristle. Cleans heavy dirt and debris on sealed and unsealed concrete flooring. Removes forklift tire marks. Tynex-A or Hahls Nylon impregnated with silicon carbide granules. Long lasting bristles. Each machine requires 3 brushes. Some 7000 and 7700 machines require 6 sectional scrub brushes per disc plate. Please check your machine before ordering. Includes heavy duty metal lugs mounted on molded plastic block wit a 9.5" center hole. Replaces AL 7-08-03206-1, 7-08-03206. Our Part Number AL 7-08-03206-1