Toroid Coil for the PWM3G Circuit. U WIND IT KIT After trying to find a professional toroid winder, ( they do not like the wire we use on their machnes) we find it is easier & more cost effective to go back to hand winding. Kit comes with custom spool, that eases winding and stops kinking. Comes with 6.5 iron core, 200' of the solid silver coated copper wire with Telfon coating. (Mil. Spec wire, that Bob says you have to use to get this work correctly.) 100' of the first winding - 16 awg and 100' of the second 3 part winding - 20 awg. Accurate, most follow instructions are available online, just google : "bb101.pdf" or "D9.pdf" Kit now includes the special "transformer wrapping tape" ( 25 ft. of tape, enough for the wrap job) after the first wrap, that Bob recommends.

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