C--320 steel eye hook with latch for chain 1.material:steel,alloy steel,Carbon steel 2..Safety factor 5:1 3.red,painted C--320 steel eye hook with latch for chain 1.material:steel,alloy steel,Carbon steel 2..Safety factor 5:1 3.red,painted4.forged quenched and tempered 5.alloy steel grade 70 carbon steel grade 436.ultimated load is 6 times working