Golden State's small spoke wheel brush is made of 2 arched loops of bristles. Soft bristles can gently loosen the brake dust and grime on the wheels. This product can easily squeeze vertically in between tight spaces, or turn the brush sideway to get maximum contact with the wheel face for quick and easy cleaning. This brush is made of plastic and nylon bristles. Leave no scratches, guaranteed! This item is currently on clearance, for a great and affordable price.