Compatibility: This upper tension assembly fits Kenmore 158 series machines. See product description for the full compatibility list. Precise Thread Control: Ensures consistent thread tension for flawless stitching across various fabric types User-Friendly Design: Features an easy-to-read dial with clearly marked settings for quick adjustments Durable Construction: Built to withstand regular use, offering reliable performance and long-lasting durability Versatile Compatibility: Designed to fit a wide range of Kenmore sewing machine models, making it ideal for repairs or upgrades