Our speed bump is designed to slow down the driving speed to create a more secure environment for pedestrians and cyclists. Features a channel space of 1.18 x 0.79 in that protects cables and hoses. Complimentary four expansion screws and square shank drill facilitate simple installation. The bright yellow color provides greater visibility. Suitable for high-traffic public areas, such as parking lots, schools, highways, roads, hospitals, etc. Stay secure with a name you can trust, VEVOR. | Vevor | | 72'' Rubber Speed Bump, Dual Channel, Supports up to 22000 lbs, Durable Traffic Speed Hump with Yellow Reflective Strip | Black and yellow | Best Buy