1,Supermarket hook , display hook , shelf hook 2,Prong length ranges from 2" to 8" 3,Surface treatment:Galvanized "Chat now " for the details please!1,High quality and competitive price2,Good reputation in the market,the hooks are widely used in supermarket, stores to display goods.3,OEM color available. Standard model is white Galvanized Double/Single Hook/Metal double hooks/Gooods shelf hook