An ideal brush for use in locations regular brushes cannot reach such as the inside of pipes. [Features]· A brush with fixed brush fibers. The brush was formed by taking individual wires and forming them into wire cores and then twisting them.· The typical spiral brush shape and the nylon bristles make it ideal for cleaning pipes.· Type: spiral brush.· Bristle material: nylon wire.· Weight: 20 g. [Applications]· Cleaning the inside of pipes.