This brush head with surrounding blue bristles is tough on grime and easy on finish. The shape is rounded with dense bristles to eliminate bumps against large vehicles like trucks, vans, and SUVs. The thick bristles can handle heavy-duty cleaning jobs, but are soft to the touch. The tri level design allows for cleaning at every angle. When attached to our telescope pole or wood pole, this brush works wonders for vehicle rooftop cleaning. Measuring 10 in., the brush can handle a wide surface area.