1 Raw material : High carbon steel , low High carbon steel , 40#,45#65# 70#. 72A , 82B etc . 2 Standard : ISO BS DIN JIS ASTI Main parameter: 1)Material: Alloy Steel, Carbon Steel 2)Surface: Galvanized 3)Size: 1/4" to 4 7/8" 4)Packaging Details: Wooden Case spelter slings with opened sockets wire rope sling