Ready to use right away, these Genuine Brother Bobbins are supplied pre-wound with Brother bobbin thread and are perfect for use in Brother embroidery-only machines. Pack includes 10 bobbins, each pre-wound with 85 yards of 90 weight white embroidery bobbin thread. 11.5mm bobbin size. Compatible with Brother Innov-is models XE1,V3, F440e, 800e 880e along with earlier models such as PE-150, PE-180, Innov-is 750