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 HTP (Natural) ... 3 pieces If you would like to change the color or purchase more than 3 pieces, please feel free to comment. We will accommodate your request. If you would like a colored thread, please refer to the sample book. Please comment to check stock. Can also be used with home sewing machines. Brand new, unused. #TeijinTetoron #AceCrown #MachineThread #IndustrialUse #HomeSewingMachineThread