This durable Clevis Slip Hook (also called a sling hook) from US Cargo Control is commonly used in load binding applications as an end on a transport chain. When used with 5/16" chain, the wide throat opening allows the hook to slip down your chain. This hook is stamped with "G70" for easy identification and meets stringent DOT regulations for Grade 70 Transport when used with 5/16" Grade 70 Transport chain.