Quality material: The cleaning brush is made of durable material. Nylon, phosphor bronze, copper, steel wire, plastic and stainless steel. The advantage is that, on the one hand, they are more flexible and light; on the other hand, they will not scratch the items to be cleaned. Therefore, it is gentler to use. Package Include: Package Include 4 Double Head Brushes + 5 Cleaning Hooks. The Double Ended Brush Set includes two sizes of phosphor bronze, copper, steel wire and nylon brushes. The brush measures approx. 17 cm. Used to clean all kinds of hard to reach places. Convenient and portable. Curved Design: The curved shape of the brush head and handle effectively reduce the grip when using the brush and make the operation easier. It can enter inaccessible areas, especially for small items. Comfortable handle: ergonomic curved handle, easy to use, comfortable to hold, easy to hold and control. . The brush set is very suitable for removing rusty paint, paint or dirt. Purpose: Suitable for cleaning many hard to reach places. Such as metal surfaces, auto parts, gas stoves, windows, sliding doors, pipes and crafts. It is durable and has a good effect cleaner. Especially for cleaning the space, it is practical and portable. Description: The cleaning brush is made of a durable material. Practical and light. Therefore, it is gentler to use. The curved shape of the brush head and handle effectively reduces grip when using the brush. Easy to use and comfortable to hold. Suitable for cleaning many hard to reach places. Especially clean the gap. Specification: Material: nylon, phosphor bronze, copper, steel wire, plastic and stainless steel Color: as shown Size: Brush size: 17cmx2cmx1.5cm, cleaning hook: 20.5cm Package included: 4x double-ended brush 5x cleaning hook Note: Due to manual measurement, please allow 0-2cm interference. Thank you for your understanding. The monitor has not been calibrated in the same way. Item color shown in photos may be showing slightly different from the real object.