... -6 400-8etc. 2.good gas tightness 3.4.00-8 wheelbarrow wheel 4,OEM accepted 1. Variety: Pneumatic Wheel,Solid Wheel,Foam Wheel ... .5,8"x2.50-4,10"x3.00-4,10"x3.50-4,12"x3.50-6,13"x3.25/3.50-8,14"x4.00-8 etc2 ... % and more2.4.Wide Range of Use: for wheel barrow,hand trolley,tool cart etc 2.5 4.00-8 wheelbarrow wheel. 4.00-8 Wheelbarrow wheel