3x6mm bals, made of stainless surgical steel. Glue them into your top-drilled and half-drilled beads to make them into pendants. The pin is 2.6mm long and 0.8mm thick.
Sold per pkg of 5.
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.