SEHA hook groups have lifting capacities of up to 100 tons from 10 tons. All are manufactured in accordance with DIN 15401 standards. S-T-V quality hot forged hooks with one-sided safety latches are able to lift each load safely. The rope pulleys are manufactured from GGG50 quality casting and according to the using area from AISI / SAE 4140 steel. The ropes working surfaces are hardened by induction up to 5mm depth. Traverse and side plates are manufactured from AISI / SAE 4140 steel by hot forging. Thus, high strength and longevity are achieved.