Type A. Below is a screen shot of the dimensions of bobbins
Fil-Tec Prewound Bobbins
✔️ 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
Superpunch 60S/2 Polyester Pre-Wound Bobbins Thread
Prewound Class 15 Bobbins (12pk), Singer : Sewing Parts Online
White embroidery machine bobbins - 144 pack - Size L - 3/8 x 13/16 Made with 75D/2 (60 weight) filament polyester thread -- The standard bobbin
CleverDelights Size L Prewound Bobbins - 144 Pack - White - 3/8 x 13/16
L' Style Prewound Bobbin Thread - White - 91 yds. (5 Bobbins/Tube)
L' Style Prewound Bobbin Thread - White - 91 yds. (5 Bobbins/Tube)
Class 15 White Pre-Wound Bobbin Threads: You understand the importance of a well-stocked sewing station. White color pre-wound embroidery bobbin
Superpunch 60S/2 Polyester Pre-Wound Bobbins Thread, Class 15 A, Superb White 60wt. Sewing Thread – 144 Bobbins, Sewing Machines DIY Embroidery
ThreadNanny 144pcs White Prewound Bobbin Thread
Doublelin Prewound Bobbin, Size A, Class 15, Styple
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DOUBLELIN 144pcs Prewound Bobbins Size A for Domestic
DOUBLELIN Prewound Bobbin, Cardboard, Size L (SA155
DecoBob™ Class 15 Pre-Wound Bobbins