Most custom string makers use BCY 452X for their strings and cables. It's a very stable material that has very little stretch if made correctly. The only negative that i've ever heard anyone give about 452X is it frays quickly. Keep the string waxed and it'll last a long time!
I'm gonna add another maker to the mix Joe at Wicked1Strings makes a VERY good string! He has a one year unconditional warranty and will make sure you are happy with his product. He does not use BCY materials now. He's switched to Brownells materials. Mainly the new AstroFlight, Xcel, and a concoction he calles Wicked1 Blend. It's top secret stuff, james bond type stuff, won't even tell me how it's spun.........
Reason he uses the Brownells products is he feels they make a better string. Nothing against BCY.
You can reach him through his classified ad here:
http://www.huntingnet.com/forum/arch...s-revised.html
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