Capacity: 2 ton, 4ton, 6ton, 8ton, 10ton, 12ton, 16ton, 20ton, 30ton, 50ton. According to different capacity Lifting range (mm): All different Net weight also different Packed in a color box products net weight also different Different pcs/20 If you need to know detail information, pls E-mail me, I will give you the good price and detailed information.