Detachable fold-up ramp has a gradual slope for easy loading. Four tie-down anchor points for secure and stable transporting. Receiver fits all 2 in. Class III / IV hitch tubes. Aluminum construction resists rust and corrosion. Cargo platform: 47 in. L x 27-5/8 in. W x 7-1/2 in. H. Exterior platform: 50 in. L x 29-1/2 in. W x 9 in. H.