LINKS HEAT TREATED CONNECTING LINKS RIGGING HARDWARE, MORE THAN THOUSANDS VARIETY. INCLUDING CONNECTING LINK, SAFETY ... 2) GRADE: G100 G80 G70 G433) MATERIAL: ALLOY STEEL, CARBON STEEL, EN1677 MATERIAL, STAINLESS STEEL,4) SURFACE TREATMENT:COLOUR-PAINTED,SELF-COLORED,POLISHED ... MARKS CAN BE MADE ACCORDING TO CUSTOMER'S REQUIREMENT. CONNECTING LINKS