... 1.Surface:rubber,ceramic lagging,diamond, 2.Type:drive,bend,head,tail,snub,take up,motorized Advantages 1) We ... free and also pay freight fee.conveyor drive pulley ProductsHead pulley,tail pulley, bend pulley, drive pulley,take-up pulley,snub pulley ... aluminothermic welding fabric. The axle can be unidirectional and two-way out.AdvantageWater proof, Dust proof, Leak proof and revovle smoothly ...