Universal Trac-Lock™ SlideFeatures:Large 7-1\/4″ x 13″ x 2″ High0-Degree PlatformHigh-Strength AluminumTravels 5-1\/4″ Fore And AftWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.