Hello! My son is now 7.5 months and I've finally made it back to the bench, small humans are hard work!

I'm making some cufflinks for OH and I'm a bit baffled by all the different style findings. What is the difference and do you recommend any particular style? I assume the ones that aren't assembled are better for soldering hand made faces on do you need a special hammer to finish these?

Thanks in and hello again!

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