Polyethylene split tubes have become of the most popular conduits for holding the wire sets in place and protecting the wires from wear or crush. The split extending along the entire length of the makes wire insertion easy, and once the wire is inserted, it remains closed separately. Suitable for all kinds of cars, homes, ships, industrial wiring applications, etc. Ribbed design allows the use of flexible tubes that are easy to install. When the bend, the crack remains closed. Resistance to wear, gasoline, oil and many other chemicals Product Name: Plastic Bellows Working temperature: -30-100, short to +110 Structure: The inside and outside are wavy Role: Protect cable wires from wear and tear Size: total length 20m Inner diameter 48mm Colour:Black Material:PE Package Contents: 1 * Protective Tube Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.