Rigging hardware,Shackle,Fastener: 1)item:rigging hardware,fastener,shackle,turnbuckle,chain,hook 2)standard:ASTM/BS/DIN/JIS Description of our rigging hardware,fastener,shackle,hook:1) items: chain /shackle / wire rope / rope clip/ turnbuckle /links / hooks......2) material: carbon steel / alloy steel.3) standard: ASTM / BS/ DIN / JIS.4) drop forged, quenched & tempered.5) hot dipped ...