Quality 7mm Split Rings, Double Loop Split Rings, Strong Double Loop 7mm Split Ring, Chunky Necklace and Bottle cap Supply, Split Rings Once you try these jump rings you won't want to use anything else.

Size: 7mm diameter, 0.7mm thick
Material: iron

See second picture to see the difference between split rings and jump rings.
See 3rd picture for tool I use to open and apply split rings.
Contact me with any questions you may have
I will replace or issue a refund within 14 day of receipt of merchandise. So make sure you check your order when it arrives