Swivel Self Locking hook, Clevis Type, fitted with a ball bearing which will allow the hook to swivel under load. The clevis type will enables chain to be connected to the hook directly which saves weight. • Marked with chain size, product ID, Grade and manufacturers ID. • Manufactured from G80 alloy steel with safety factor of 4 to 1. • Test certificate available upon request. • Spare Trigger Kits and Swivel Clevis head are available. • Conforms to AS 3776.