Item No. Description R011 Super- Duty Portable Wheelchair Ramp Material Net Weight (Per Track) Extruded Aluminum 7.2 Kgs or 15.88 lbs. Dimension: Length Dimension: Width 1520 mm or 5 ft. 180 mm or 7.1 in. Capacity Packing Dimension 400 lbs. Per track, 800 lbs. Per pair 800*280*260mm/pair Main Features: R011 is one kind of lightweight, portable wheel and power chair tracks (or channel ramps) designed to be convenient and easy to use. Tracks are manufactured from durable, heavier extruded aluminum with a non-skid surface to provide extra strength and weight capacity for decades of useful service. Meanwhile, a range of lengths corresponding to the single and multiple-step barriers commonly encountered in everyday living up will be available upon request.