Clasp - 2-Strand - Slide Tube - Nickel Coloured

Not magnetic - just a friction fit. Which I find easier to work with, actually, Magnetic clasps stick to the pliers.

Lead free. Nickel free. Weirdly enough. Loops centred on 5 mm.

Lead-free. Nickel-free. 16.5mm x 10mm By the each.