... Surface:rubber,ceramic lagging,diamond, 2.Type:drive,bend,head,tail,snub,take up,motorized Advantages 1) We can ... us!2) During quality warranty(2 years), if there's something wrong with our products, we can exchange new ... one for free and also pay freight fee.conveyor head pulley ProductsHead pulley,tail pulley, bend pulley, drive ... pulley:Ceramic coat pulley:Chromeplated pulley: conveyor head pulley