YG 350 Hook Blocks are made of free block and hook, based on the practise of usage, the block is similar to current domestic product, the hook has a reasonable and integrite structure if compare to current domestic product. Technical Specification Model YG350 API Working Load Strength Rating in Tons 317Tonne (350Ton) Hook and Swivel bail contact-surface Dia. 180mm Elevator link eye and hook link ear contact-surface Dia. 120mm Spring traveling 200mm Main hook opening 220mm Nomber of sheaves 5 Sheaves Dia. 50" Dia. Of wire line 13/8" 11/4" Overail Dimension L*W*H 4190*1350*885mm (50" 13/8") Weight 10660kg (50" 13/8") Model YG350 API Working Load Strength Rating in Tons 317Tonne (350Ton) Hook and Swivel bail contact-surface Dia. 180mm Elevator link eye and hook link ear contact-surface Dia. 120mm Spring traveling 200mm Main hook opening 220mm Nomber of sheaves 5 Sheaves Dia. 50" Dia. Of wire line 13/8" 11/4" Overail Dimension L*W*H 4050*1200*885mm (50" 13/8") Weight 10120kg (50" 13/8")
