... longer service life 3.high load capacity 4.environmental friendly Pu foamed wheel 10x3.50-4" Detailed technical ... mm8,Hole dia = 20 mm9,PU weight= 1.3 kg10,Total Weight =1.55 kg11,Load Capacity ... wheels,and aslo OEM service for different colors PU Foam Wheel for any sizeIf you are interested ... for sale: 6'',8'',8.7",10'',12'',13'',14'',15'',16'',18'',20'',24'',26'' pu foam tires 10x3.50-4 for hand ...