Amazon.com: Automatic Roller Clamp, No Thread Jamming Sewing Machine Tension Stainless Steel for Replace The Old and Damaged Large Wire Clamp for Tension Clip Devices
Amazon.com: ID: 44118. New Generic Replacement Tension Assembly, Compatible with, not Manufactured by Singer Sewing Machines. Will fit Models: 31 Class, 44 Class, 31-15, Plus Others as Below
Amazon.com: Tension Assembly Set #546941 for Singer 220U2, 220U3 Sewing Machine