Steel Steel Steel 3 Trolleys, 2 Channels, 4 Hanger Brackets, 3 Cable/Hose Brackets, 1 Tow Trolley, 2 End Stops, 10 Beam Clamps, 5 Support Channels 0000000 0000000 37 40 74 280 10 Steel Steel Steel 7 Trolleys, 4 Channels, 8 Hanger Brackets, 7 Cable 46