... and advantages:1. polyurethane tires Widely used on wheelbarrow, Lawnmower ,hand truck, and trolley2. abrasion resistance, corrosion resistance and higher flow rate3 ... : 6'',8'',8.7",10'',12'',13'',14'',15'',16'',18'',20'',24'',26'' pu foam tires 10x3.50-4 for hand truck