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/Hose Brackets, 1 Tow Trolley, 2 End Stops, 9 Support Channels, 18 Beam Clamps: 0000000: 000000: 46: 50: 85: