... -8 wheelbarrow wheel 4,OEM accepted 1. Variety: Pneumatic Wheel,Solid Wheel,Foam Wheel,Tubeless Wheel,Castor Wheel, Wheelbarrow Tyre&tube and etc ... .2. Pneuamatic Wheel=Tyre + Tube + Rim assembled2.1. Main Size:6"x1.5,8"x2.50-4,10"x3 ... Material: Natural rubberInner Tube Rubber Percentage: 20%,30%,40% and more2.4.Wide Range of Use: for wheel barrow,hand trolley,tool ...