Making a custom lobster clasp

I’m trying to make a custom lobster clasp for a chain I was able to 3D print and cast a few years ago. I wanted to know what wire/spring will work for assembling a custom lobster claw and where I can find it. Also how do I figure out how thick it should be?


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Look for one already made and the same size and remove the spring. I usually find them in a melt when I forget to take them out of an old clasp that I am recycling…Rob

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Guitar strings are available in a range of sizes and they are not expensive to build a range of sizes. Could be trial and error to get the right one but look in the 0.40mm area

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