... 1 GCS retractable conveyor chain 2 Roller of dia 50 or 60, one meter one roller 3 Roller ... Retractable Roller Conveyor Chain with roller dia 50 or 60Roller DiaRoller SpecRemarks 25, 38, 50, 57, 60, 63.5, 76, ... return bracket, press bearing, skate wheel, plastic pulley, adjustable feet and many other conveyor components.5. Further check www ... GCS Retractable Roller Conveyor Chain with roller dia 50 or 60