BOBBINS & SPOOLS Inches | Millimeters Bobbin: No. 1 Bobbin Equipment Type: N E Butt/Wardwell Flange Diameter: 1.32" & 1.46" Traverse: Smooth, 3" to 6"; Textured, 3.3" Barrel OD: Smooth .625", Textured .590" Bore Size(s): 0.325" Drive Type: 6 tooth ratchet Click here for part print << Back to List