Features:
1) Made of high quality ABS
2) Low friction
3) Excellent strike-proof
4) Good strength
5) The roller wheels can resist acid, alkali and moisture, can be used in humid
environment
6) The flanged profile of roller wheel is made of zinc-coated steel to ensure
strong duration
7) Customized orders available, please offer your specifications as follows:
a) Width and depth of u-channel steel
b) Wheel capacity
c) Material
d) Wheel color