Help control drivers in dangerous, areas while protecting people and property. One person installation. Can be removed for seal coating, snow removal, or change of location. Resists marring by oil, road salt, sunlight, and chemicals. Feature dual 1"W x 3/4"H cable channels and includes hardware. Constructed of lightweight recycled plastic. Compression strength is 3,200 pounds per square inch. The concrete hardware kit includes bolts, anchors, and washers. Asphalt kit includes spikes and butyl tape. The HD asphalt kit includes anchors and bolts. The HD anchor should be epoxied (epoxy not included) into the ground and then the speed bump is secured to that anchor with a bolt. The glue down anchor plate kit includes anchor plates, T-nuts, bolts, and washers. Requires 2-3 ounces of either 2-part epoxy or heavy duty construction adhesive to the bottom of each anchor plate, which is not included.