... footed,flexible steer PLA150Y-DXlab medical mute handcart/trolley with fixed armrestspecification: Plate dimension:730(L ... life is longer than ordinary carriers 8 times, 4, Absolute trackless: without dragging mark, no damage ... rated load condition, covered 10 kilometers with 4 kilometers per hour, the caster wheel rubber ... patent number: NO.200830261338.8 4-wheels handcart/trolley with fixed armrest