Rage Powersports KR45R Guardian Heavy Duty Curb Ramp 60,000 lb Industrial Grade Rubber Textured surface with molded safety reflectors Flat sides fit flush together to create custom lengths with multiple curb ramps Measures 17.7" x 23.5" x 7.8" overall Large 60,000 lb. capacity (30 tons) Heavy duty industrial grade thermoplastic rubber for all-weather use