... for block,hoist chain,chain sling,G80 chain tie down chain for hoist,the chain:G80 chainthe material:high quality mild steel ... ,electro.galv.,black painted,coating and so on,the G80 clevis hook,the material:the high quality alloy steel of 40Crthe size:2T ... usually 9',12',15'it will be changed according to the requirement of customers tie down chain