Our reusable stainless steel arc micro brushes are an effective solution for cleaning ducts with an internal diameter of 0.5 mm to 1.40 mm and hard-to-reach areas. They are one of the smallest brushes in the industry. The brushes are equipped with polyamide bristles that gently and effectively remove stubborn dirt and grime. The stainless steel handle and wire ensure that the brushes are robust and durable, making them a great investment for your cleaning needs.These drain cleaning brushes are constructed from reusable and durable materials, making them a cost-effective choice.