Metal tube (aluminum?) on a keyring, with some o-rings strung on

By A Mystery Man Writer

Magnetic Gold Tester with Removable Cover

Red plastic handle with attached small/normal ziptie, possibly left in house by workmen : r/whatisthisthing

HILLMAN Metal Red Multi-Tool High End Accessories Key Ring - Ace

HILLMAN 1 in. D Plastic Assorted LED Light/Split Ring Key Chain

Magnetic Gold Tester with Removable Cover

QUANTITY – Paxcoo split rings come with totally 200 pieces metal key rings that will meet your needs for daily use or craft projects. SIZE – The split

PAXCOO 200Pcs Split Key Rings Bulk for Keychain and Crafts, 1 inch (25mm)

What a convenient way to take your medication or other small items when you leave home. The lids screw off and on and have a split ring on the top so they can be attached to a key chain.

Key Chain Pill Holder - Mini Container - Aluminum Vial

Ongrok Premium Storage Tube, Keychain, Pocket-Sized, Airtight, Aluminum Metal Holder and Case (gun Metal)

Saddlery O-ring with welded triangle - Stainless Steel

Metals containers with screw-on top and strings attached, about 100 years old : r/whatisthisthing

Nite Ize O-Series Gated Key Ring in Stainless OS-11-2R6 - The Home

Leather Key Ring Accessories, New Gifts Keyholder Men

D ring ø 13 - 50 mm, Stainless Steel

Nite Ize O-Series Gated Key Ring in Stainless OS-11-2R6 - The Home

Half circle, with a spike, metal, probably vintage in the kitchen drawer : r/whatisthisthing