Designed for use with box rail. Press into rail to keep rail free of foreign materials. Can be used as center stop using 3/8 In. x 2 In. carriage bolts (not included). Galvanized finish, WeatherGuard protection.
WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.