5x7mm big and 1mm thick oval jumprings (unsoldered), made of stainless surgical steel.
Sold per pkg of 5g (approx. 50 jumprings).
Nickel safe
Very strong, stainless and tarnish resistant
Surgical steel is highly tarnish resistant and a great alternative to sterling silver. If you need jewelry findings that last and does not cost too much, surgical steel is a great choice.