Sew Smooth Magnetic Bobbins

, L Style, use magnets instead of tension springs to prevent backlash or overspin, giving you consistent tension throughout the bobbin. Each

602-1070 TOWA BOBBIN CASE

Silver M Bobbin for 1541S, 1181N, 1341, 206RB, 205RB and 0303 - Pack o – Sunny Sewing Machines

Magnetic core pre-wound bobbin - Secret Times

MET Pro - Sew Smooth - Magnetic Sided - Style L Bobbins - White