Singer Sewing Machine Upper Thread Tension Assembly Part 125418 Simanco USA Vint Vintage Singer sewing machine upper thread tension assembly replacement part. This authentic component features a numbered dial from 0 to 9 with plus and minus indicators for precise tension adjustment. The assembly includes the beehive spring, tension discs, and a knurled adjustment nut, all constructed from durable metal with a black plastic dial casing. It is marked "SIMANCO" and "U.S.A." on the back plate, ensuring compatibility with classic Singer models requiring part number 125418. Measurements: • Length: 1.75" • Dial Diameter: 0.75" Please look carefully at the pictures to determine if the physical condition meets your expectations before purchasing. I will not respond to any offers given through direct messages. I will only accept payment through the official payment method. I will only ship to the address the buyer has on file. #Vintage