... " zinc alloy swivel key chain swivel,Machine swivel,chain swivel G-401 CHAIN EYE SWIVELS .Forged Carbon Steel. .Quenched & Tempered .Ultimate load ... Limitzinc alloy swivel key chain swivel,Machine swivel,chain swivelG-401 CHAIN EYE SWIVELS.Forged Carbon Steel. .Quenched & Tempered .Ultimate load ...