For Double wheels medical caster Most of Chinese factory use this design “A” They make the wheel core first and Cover the “U” shape PU tread second....From outside you can see the PU is thick,But actually the PU tread is thin Most of t......

65mm double wheels medical castersMaterial: PA Frame + TPR treadWith ball bearing on each side wheel unitDiameter: 65mm Load Weight:70kg/pcDurableLow noisePurpose: Used as medical cart casters,Medical chair casters,IV pole casters and some......