The Fixomech FX-RC11 Roller Conveyor System uses rollers that are rotated in both directions to move the chain away from the track press during assembly and towards the track press for disassembly. The chain under assembly or disassembly is moved forward or backward automatically in sequence with the Chain Positioning/Referencing Device. The chains and the sprockets are covered with h... https://fixomech.com/rollerconveyartable.html