NUBARKO Stainless Steel Wire Key Ring, Heavy Duty Luggage Tag Loops Cable Keychain for Outdoor Hiking, Hanging Keyrings and ID Tag Keepers Pack of 6(Black)

Definitely not heavy duty. Right out of the box had 3 of 6 break with just a little pull. Make sure that you test these before putting anything valuable on them. There is a very nice coating on the wire that saves some scratching and reduces a bit of noise.

It's no good. They break easily. The connections are not well built. Lasted me less than a week.