... 2,Process: Forging 3,Materail: Carbon steel,Alloy steel G-Hook with whistle cutting:Zhejiang huajin hardware riggnig co.,ltd is ... a manufacturer of rigging product with about 25 years in this ... .For example,Turnbuckles,buckle,shackle,connecting links,eyebolt,eyenut,flail,hook,etc.You can send the drawing or sample,we can ...