AL 0765-275 / 7-08-03281 21" (20.75" Diameter) .030" Medium Nylon Disc Scrub Brush with Mounting Lugs for American Lincoln 7770, SR7770, SR7770HC Scrubbers. A long lasting, daily use scrubbing brush. Designed for medium or general duty scrubbing of sealed and unsealed flooring. Nylon brushes can be used for daily scrubbing on sealed and unsealed concrete and epoxy or painted floors. Removes lightly packed dirt and debris without harming sealed flooring. .030" crimped Nylon. Please call if a softer brush is needed. These can be made in .025", .022", .020" or smaller diameter Nylon at no additional cost. Includes attachment lugs (7-45-05026). AL 7770 requires 3 disc brushes. Priced Each. Replaces Nilfisk American Lincoln 0765-275 (Brush with Lugs Attached), 7-08-03281 (Listed in parts book as brush only - we supply the attachment hardware - Brushes are ready to clip on).