Item model number : 9pcs wire brush. Wire Brush Material: The brush heads are made of stainless steel, rugged and durable. No hurt to the hand and easy to clean small places and narrow spaces. Comfort Toothbrush Design: It is mini brush, similar to a toothbrush, non-slip finger grip handle design makes the user feel comfortable when using it, there is a small hole at the end can hang up to save space.