Free flow chain conveyor for palletised assembly and testing. The conveyor chain is Triple speed nylon roller chain with self-lubrication and noise free running. The return path for empty pallets can be provided below the main conveyor. The conveying options are slow speed continuous movement or timer based startstop transfer. Accessories available illumination, electrical sockets, display board, centre platform, display counter, end stopper, tool hanger, screw channel, bin hanger, air pipeline with QRC, rejection chutes and bin stands