Feature:1. The cleaning efficiency is high and the effect is remarkable, saving you the cost of manual cleaning.2.The chimney sweep brush perfectly through these difficult exhaust portsand can be used with a power drill with greater rotational force.3.These chimney sweep rods are very durable, flexible, and bendeffortlessly. It is perfect for deep cleaning those difficult fluebends.Specification:Material: Nylon+POMRod Length: 41 cmBrush Diameter: 10 cmBristle Length: 4 cmPackage Include:20 x Nylon Rod2 x Brush Head1 x Drill ConnectorNote:1. Due to the light and screen difference, the item's color may be slightly different from the pictures.2. Please allow 0.5-2 cm differences due to manual measurement.