1)Made from premium cast Iron or otherwise known as semi steel.
2)Cost effective，long lasting wheel for medium to high weight applications.
3)Resistant to abrasions or applications that may tear up soft tread wheels.
4)Minimal effort requiring to start up and push loads.
5) Great for applications requiring extreme temperatures.
6) Temperature rating：-40 degree ~420 degree.
7)Durometer：130~150 Brielle
8)There are a few sizes to been choose. Would like to know more please contact with us.
