Thread Tension Assembly Thread Tension Regulator Replacement Universal for Most Home Multifunction Sewing Machines black.Feature: 1. Long Lasting Use: This sewing machine thread tension regulator is crafted with sturdy materials with fine polishing, rustproof and long lasting, ensuring steady performance over time 2. Compact and Portable: The thread tension assembly features a small, lightweight design, making it easy to carry and install as an essential sewing machine maintenance accessory for