Type A. Below is a screen shot of the dimensions of bobbins
These CleverDelights size A prewound bobbins are the preferred choice for professional-quality embroidery. Each bobbin contains 125 yards of high-tenacity 60 weight (70d/2) polyester filament thread -- the ideal bobbin thread weight suitable for most applications. Please check your manual to verify that your machine uses Size A (7/16 inch x 13/16 inch) bobbins.
CleverDelights 36 White Prewound Bobbins - 60wt - Size A Class 15 Bobbins - for
Fil-Tec Clear Glide Class 15 Size A Prewound Embroidery Bobbins
Doublelin Prewound Bobbin, Size A, Class 15, Styple
New brothread 25pcs Type L (SA155) Size Assorted
These CleverDelights size A prewound bobbins are the preferred choice for professional-quality embroidery. Each bobbin contains 125 yards of high-tenacity 60 weight (70d/2) polyester filament thread -- the ideal bobbin thread weight suitable for most applications. Please check your manual to verify that your machine uses Size A (7/16 inch x 13/16 inch) bobbins.
CleverDelights 36 White Prewound Bobbins - 60wt - Size A Class 15 Bobbins - for
DOUBLELIN 144pcs Prewound Bobbins Size A for Domestic
L' Style Prewound Bobbin Thread - White - 91 yds. (5 Bobbins/Tube)
Style L bobbin with approximately 120 yards of 70/2 white continuous filament polyester to minimize lint build-up and provide consistent tension. Prewound on a one-time-use plastic core with plastic sides to minimize dust in the bobbin assembly area. Thread: 120 yards/bobbin, 48 bobbins per tube.
Dime Steady Stitch Style A Class 15 Plastic Sides Polyester Prewound Bobbins (36/tube) White
Superpunch 60S/2 Polyester Pre-Wound Bobbins Thread
Is Type L or Type A compatible with Class 15 bobbin? Thank you ('L
✔️ FILAMENT POLYESTER - ThreadNanny 144 pieces 60 Weight 75D/2 Size L SA155 plastic sided polyester prewound bobbins compatible with Brother sewing
ThreadNanny 144pcs White Prewound Bobbin Thread Plastic Size L (SA155) for Brother Embroidery and Sewing Machine Polyester Thread
DOUBLELIN Prewound Bobbin, Cardboard, Size L (SA155
L' Style Prewound Bobbin Thread - White - 91 yds. (5 Bobbins/Tube)