Product Description Product Description Light Duty Retractable Roller Conveyor Chain Product Application Gravity Roller Line (Light Duty Roller) is widely used in all kinds of industry, like manufacturing line, assembly line, packaging line, conveyor machine and logistic store. Modal (Roller Dia) Shaft Dia (mm) Length L (mm) Roller Length  (m) Tube Material RCC50 10/12 300-800…