9' Speed Bump-Cable Guard are constructed of yellow high density polyethylene (HDPE) and were designed with safety and durability in mind. Engineered at the perfect angle and acts as a dual channel cable protector. Feature a non-skid surface, and are weather and chemical resistant. The HDPE construction eliminates the need to continually paint the bumps. Anchor kit included with eight spikes and one tube of asphalt adhesive.