· Rated lifting capacity: It is usually between 0.5 tons and 5 tons, though it can reach 10 tons or even 20 tons. · Standard lifting height: Typically ranging from 2 to 12 meters, although it can be customized according to specific requirements. · Chain diameter: Depending on the lifting capacity, it is generally between Φ6mm and Φ10mm. · Manual pulling force: This varies depending on the load; when fully loaded, the manual pulling force is around 250N to 450N (approximately 25 to 45 kilograms of force).