it is one like this:
https://www.ebay.com/itm/326258473298?_skw=bobbin+winder&itmmeta=01JAQKF50DSB1BMDAB33K5AE6W&hash=item4bf6853952:g:fjEAAOSwEFpmMF~R&itmprp=enc%3AAQAJAAAA0HoV3kP08IDx%2BKZ9MfhVJKmiOV2Dtfen4bbj%2FZEM989stGDqKzt%2F63vyM8AQSD137QgkXEXH3OqMFlVG815a71hIPxCrZHtGvCL3ZbRivUKq23UVr48lzUoBvGfZO6I0RQTM5C%2FIzQosRW%2BBTzgZGcPjcRTek%2BN71NkIQFFurFUguXwW0ELkykRXKTwE2MiOBnN1UqBVPi0Ib4w%2Bn6160tFDoRUlEqynWUCYxIVie5k5bH%2B7YAweitpsR4QckI5TCkdkc0kNhPvDx9MhdqFowik%3D|tkp%3ABk9SR6bQvPPVZA
made a frame out of aluminum to hold the tensioner the same distance from spool as the one on the Cobra. tensioner was off the winder that came with my 206RB5.