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

Magna-Soft

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

Uxcell Prewound Bobbin Thread Set with Storage Plastic Case for Embroidery and Sewing Machine, Dark Tan

Embroidery Steady Stitch Sideless Style L Polyester Prewound Bobbins

Introduction to Sawing Bobbins - News -Ningbo Onereel Machine Co., Ltd

Madam Sew Semi Clear Sewing Bobbin Clips, 16pc Bobbin Holder Clamps Color-Match Bobbin and Thread Together for Sewing Thread Storage and

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

Coats, V-15-132, Style L Bobbins, Black