material: carbon steel, iron, copper, rubber finish: surface natural weight: 5516.4g gears in the transmission part material: carbon steelweight: 3150gfinish: surface naturallenght: 157mmheight: 83mmmaterial: copper, rubbergear in the partweight: 1210.0gID: 116mmheight: 35mmmaterial: copper, carbon steelweight: 1156.4ggear in the partID: 116mmheight: 30mm transmission parts