... capacity 4.light weight,acid and base resistant Pu foamed wheel 12x3.50-5"Detailed technical ... polyurethane tires Widely used on wheelbarrow, Lawnmower ,hand truck, and trolley2. abrasion resistance, corrosion resistance and higher ... with high quality solid wheels,and aslo OEM service for different colors PU Foam Wheel for any ... 15'',16'',18'',20'',24'',26'' pu foam wheels 12x3.50-5 for hand truck