... trolley wheels 150x50mm 1.Light weight 2.High quality with low price 3.High load bear 4.OEM service 1)Solid polyurethane wheels ... are widely used for wheelobarrow,Lawn cart, hand trolley,etc.2)It is ... more economy and enviromental than rubber wheels.3)It is good ... 14'',15'',16'',18'',20'',24'',26'' Hand trolley wheels 150x50mm