... Solid, pneumatic, PU foam, semi-pneumatic, hollow etc.(5) Material of tire: Our rubber wheel has high natural ... hand trolley, sack truck, lawnmower and welding machine etc.(8) Package: In bulk, weave bags , wood pallet, ... following size : 200x50, 2.50-4, 2.50-8, 3.00-4, 3.50-4, 4.10/ ... , 3.50-8, 4.00-4, 4.00-6, 4.00-8, 4.80/4.00-8, 5.00-6, ... 6.50-8 rubber wheel 4.80/4 ...