Roller conveyor Dia:20-89cm Shaft Dia:6--159cm Tube ... length:50-400--1600 material:stainless steel Passing type roller conveyorThis conveyor is suitable for various kinds of package,box, ... ,medicine processing,sports industry and shoes,hats industry...Roller conveyor Dia:20-89cm Shaft Dia:6--20cmTube thickness:2. ... ISO9001-2000The parameter above also could be customized passing type roller conveyor