Yenmet metallic thread - Specifically designed for today's high speed embroidery machines, Yenmet has been developed to run at high production speeds without breaking, tangling, or shredding. Unique construction of a nylon core wrapped in a silver exterior which is dyed and the coated with a polyester film provides an incredibly smooth finish and vibrant color sheen. 1,093 yard mini-king spools. Color: Spanish Gold, Color #: SN 15.