Upgraded Threshold Ramp * The Transitions Modular Entry Ramp is strong lightweight and safe for all users * Made of aluminum * Modular design * Usable size (in) ( H x L x W ) 3x17x34 * Weight ( lbs.) 8 * Weight capacity ( lbs.) 700 * For wheelchairs & scooters * Usage guidelines 1¬ - 1ó rise