specifications

wheel:3.50-4

material: caster wheel

rim: metal

N.W.:3.21kgs

advantage

1.light weight

2.high load bear

3.Environmerntal and durble

4.Avoid punctured-tires problem caqused by the conventional air wheel

5.Greter carrying capacity

6.Greater wearability

7.Extre tough and long lasting

8.Sound deadening