Style M bobbins are typically used on mid-sized and large commercial machines for sewing heavy fabric, canvas, upholstery, and leather.
|Style M bobbins are normally used with mid-sized and large commercial machines for heavy fabric, canvas, upholstery, and leather.
Diameter: 1-1/64" (1.02 In.), 2.60 cm (Slightly greater than a U.S. quarter)
Height: 7/16" (0.435 In.), 1.10 cm (Slightly taller taller than 6 quarters stacked)
Bobbin Buying Guide
Machine / Style Reference
Bobbin Style Dimensione (PDF)