Type of sewing thread: Machine thread Silk-like luster. Filament thread with excellent seam appearance. Ace Crown Filament Machine Thread is a high-strength thread with moderate elongation, excellent fastness, and is a machine thread of the highest quality. In particular, because it uses excellent raw yarn with high heat resistance, it has good sewability and provides a beautiful finish. #Olaf184 Industrial Thread Industrial sewing thread Teijin Tetoron Ace Crown 50 / 3000m Black, 258, 262, 120... 1 each If you would like to change colors or purchase 4 or more, please feel free to comment. We will accommodate. If you would like colored threads, please refer to the sample book. Please comment for stock confirmation. Can also be used with home sewing machines. Brand new, unused. #TeijinTetoron #AceCrown #MachineThread #Industrial #HomeSewingMachineThread