ProWrap metallic thread Calcutta 9170 (size A 100yd. spool)

For metallic thread ProWrap is the industry standard.  It features a strong core that will not fray and the metallic braid has been pressure dyed for excellent color saturation.  The thread is strong enough to use as a main wrap or trim bands.  

There are a number of gold metallic threads on the market.  Some are blazingly bright.  Calcutta is different.  Calcutta a more subdued gold, while retaining the classic contrast against dark colors.