Model Size (cm) Weight (kgs) Capacity (tons)         FSB 20 20x20x3 1 4 FSB 30 30X30X3 2,5 7 FSB 30 30X30X4 3,5 9 FSB 40 40X40X4 6 10 FSB 40 40X40X5 8 11 FSB 50 50X50X4 10 12 FSB 50 50X50X6 15 20 FSB 60 60X60X5 18 23 FSB 60 60X60X6 21 25 FSB 70 70X70X6 29 30 FSB 80 80X80X6 38 35 FSB 100 100X100X6 58 50 FSB 120 120X120X8 115 100