... ,325-8,300-8,350-10,400-6,250-4,300-4,350-4,we have our own factory. "Quality comes first" is ... ,325-8,300-8,350-10,400-6,250-4,300-4,350-4,we have our own factory.1. pneumatic wheel/barrow ... Use: for wheel barrow,hand trolley,tool cart,dustbin,lawnmover,equipment ,machine etc 2. pneumatic wheel=Tyre + Tube + Rim assembled2.1 ... -4 o) 200 x 50 p) 6" x 2"Size: 2.50-4 3.00-4 3.50-4 4.00-4 4.00-6 3.25-8 4 ...