... Optional Roller Types: zinc-plated roller, chrome-plated roller, rubber-coated roller, stainless steel roller, plastic roller, etc. • ... Roller Types: zinc-plated roller, chrome-plated roller, rubber-coated roller, stainless steel roller, plastic roller, etc. ... the roller: stainless steel,galvanizedcarbon steel,Pvc or rubber coated-rubber, zincing roller . Roller conveyor Roller diaRoller lengthRoller ...