1.light rail: size: 22kg/m, 24kg/m, 30kg/m 2.heavy rail :size: 38kg/m, 43kg/m,50kg/m,60kg/m 3.crane:size: QV70, QV80, Our ... Standard Light Rails:Light Rails GB11264-89SIZEDINENSION (mm)WEIGHT (kg/m)ABCtGB 6KG25.450.850.84.765.98GB 9KG32.163.563 ... .95107.9512.330.1Light Rails YB222-63SIZEDIMENSION (mm)WEIGHT (kg/m)ABCtYB 8KG25655478.42YB 18KG4090801018.06YB 24KG511079210.924.46 YB222-63 ...