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 ) 4x22x34 * Weight ( Lbs.) 11 * Weight Capacity ( Lbs.) 700 * For Wheelchairs & Scooters * Usage Guidelines 3 - 4 Rise