Product name: worktable caster Style No:EF-ZB02/ EF-ZB03 Material:Nylon,PU, Rubber, Super artificial rubber. Size:v2' -5inche Caster is important compoent of Wei Tao-line flow pipe system,which commonly used in worktables, carts,racks.There is caster iron rubber wheel ,super artificial rubber wheel ,PPwheel,phenolicaldehyde wheel ,ESD wheel,with elastic ,low noise when move it. It's divide two ...