Super tough brass bristles Cleans White/Black wall tires Cleans corrosion Thumb and finger position for extra scrubbing pressure with a comfort grip Carded The Deluxe Tire and Battery Brush has tough brass bristles that are ideal for cleaning tires or batteries. The bristles are also very effective when cleaning the white walls or lettering on a tire. The brush is designed ergonomically to give maximum scrubbing pressure while lessening the pressure on your wrist.