How simple to use is this? These work like a pinch bail - to secure a bead or pendant in place. Silver plated. Nickel free. (Bead shown for illustration purposes only.) Takes a bead up to about 4-5 mm deep at the hole. The wire is fairly sturdy - if you have small holes - you may find this a bit thick.

Lead-free. Nickel-free. 5mm x 24mm By the pack of 2 pairs.