•Material of Hook:Forged super alloy steel with 3:1 safety factor •Material of pulley: Cast steel •Material of wheel core: Pure bronze •Quantity of pulley: Single •Connecting type: Hook type
•Material of Hook:Forged super alloy steel with 3:1 safety factor •Material of pulley: Cast steel •Material of wheel core: Pure bronze •Quantity of pulley: Double •Connecting type: Hook type
•Material of Swivel:Forged super alloy steel with 3:1 safety factor •Material of pulley: Cast steel •Material of wheel core: Zinc Alloy •Quantity of pulley: Single •Connecting type: Link type
•Material of Hook/Ring:Forged super alloy steel with 3:1 safety factor •Material of pulley: Cast steel •Material of wheel core: Cast Iron •Quantity of pulley: Single •Connecting type: Hook/Ring type