6 each 5/16" System7/Grade 70 transport grade Clevis Slip Hooks with safety latch. Drop forged, medium alloy steel hook, quenched and tempered then zinc plated. Use with Grade 70 transport chain. Hooks have a 17,200lb Breaking Strength and 4,300 lb Working load limit with design factor of 4:1 WARNING: Do not exceed WLL (working load limit). Do not use for overhead lifting applications. This lot of 6 hooks will be shipped from our Just Harris zip code of 97002 in one box to your confirmed address.