3M™ Scotch-Brite™ FF-ZS Flap Brush 3M™ The 3M™ Scotch-Brite™ FF-ZS flap brush is an abrasive tool designed for cleaning, deburring, polishing, and finishing tasks on various surfaces, including metal, wood, and composites. This brush is made of Scotch-Brite™ non-woven abrasive flaps arranged around a central core. The flexible flaps allow the brush to conform to contours and irregular shapes on the worked surfaces, ensuring a uniform and precise result. The FF-ZS flap brush is ideal for removing rust, smoothing welds, and preparing surfaces before painting or other treatments. It is widely used in industrial environments for its durability, consistent performance, and ability to deliver high-quality finishes without damaging the underlying materials. Learn more