This antique socket clasp is a great find for jewelry makers. Based on our own EXPERIENCE, we found these clasps to be sturdy and beautifully made .They give a vintage charm to any piece, whether it's a necklace, bracelet, or anklet. The sizing of 18-10mm is perfect for our needs. The only downside is that they can be a bit challenging to open and close, but with practice, it gets easier. Overall we highly recommend these clasps for anyone who wants to add a unique touch to their crafts..See full review