Don't make the mistake of using replacement parts in your embroidery machine.  For the $4 you might save for using a generic bobbin case, ask anyone who has dealt with the frustration - it just isn't worth it.  Buy your genuine parts at Sewforless.com and save!

Fits the following embroidery-only machines:
Brother:  PE 700, PE700 II, PE 750D, PE770, PE 780D
Baby Lock:  Ellure & Emore